Re: [zfs-discuss] Sun X4200 Question...

2013-03-14 Thread Gary Driggs
On Mar 14, 2013, at 5:55 PM, Jim Klimov jimkli...@cos.ru wrote: However, recently the VM virtual hardware clocks became way slow. Does NTP help correct the guest's clock? ___ zfs-discuss mailing list zfs-discuss@opensolaris.org

Re: [zfs-discuss] ZFS Distro Advice

2013-02-26 Thread Gary Driggs
On Feb 26, 2013, at 12:44 AM, Sašo Kiselkov wrote: I'd also recommend that you go and subscribe to z...@lists.illumos.org, since this list is going to get shut down by Oracle next month. Whose description still reads, everything ZFS running on illumos-based distributions. -Gary

Re: [zfs-discuss] RFE: Un-dedup for unique blocks

2013-01-22 Thread Gary Mills
real memory to the swap device is certainly beneficial. Swapping out complete processes is a desperation move, but paging out most of an idle process is a good thing. -- -Gary Mills--refurb--Winnipeg, Manitoba, Canada- ___ zfs

Re: [zfs-discuss] Sonnet Tempo SSD supported?

2012-12-04 Thread Gary Driggs
On Dec 4, 2012, Eugen Leitl wrote: Either way I'll know the hardware support situation soon enough. Have you tried contacting Sonnet? -Gary ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs

Re: [zfs-discuss] LUN sizes

2012-10-29 Thread Gary Mills
of their customers encountered this performance problem because almost all of them used their Netapp only for NFS or CIFS. Our Netapp was extremely reliable but did not have the Iscsi LUN performance that we needed. -- -Gary Mills--refurb--Winnipeg, Manitoba, Canada

Re: [zfs-discuss] Zpool LUN Sizes

2012-10-28 Thread Gary Mills
will find no errors. If ZFS does find an error, there's no nice way to recover. Most commonly, this happens when the SAN is powered down or rebooted while the ZFS host is still running. -- -Gary Mills--refurb--Winnipeg, Manitoba, Canada

Re: [zfs-discuss] What happens when you rm zpool.cache?

2012-10-21 Thread Gary Mills
this by specifying the `cachefile' property on the command line. The `zpool' man page describes how to do this. -- -Gary Mills--refurb--Winnipeg, Manitoba, Canada- ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http

Re: [zfs-discuss] New fast hash algorithm - is it needed?

2012-07-11 Thread Gary
of the paperback. -Gary ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] [developer] Re: History of EPERM for unlink() of directories on ZFS?

2012-06-26 Thread Gary Mills
, then yeah, that's horrible. This all sounds like a good use for LD_PRELOAD and a tiny library that intercepts and modernizes system calls. -- -Gary Mills--refurb--Winnipeg, Manitoba, Canada- ___ zfs-discuss mailing list zfs

Re: [zfs-discuss] IOzone benchmarking

2012-05-03 Thread Gary
an option for testing either of those? -Gary ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] IOzone benchmarking

2012-05-01 Thread Gary Driggs
I've used in my still lengthy benchmarks was 16Gb. If you use the sizes you've proposed, it could take several days or weeks to complete. Try a web search for iozone examples if you want more details on the command switches. -Gary ___ zfs-discuss mailing

Re: [zfs-discuss] IOzone benchmarking

2012-05-01 Thread Gary
a lot of 16GB files?) then you'll want to test for that. Caching anywhere in the pipeline is important for benchmarks because you aren't going to turn off a cache or remove RAM in production are you? -Gary ___ zfs-discuss mailing list zfs-discuss

Re: [zfs-discuss] Seagate Constellation vs. Hitachi Ultrastar

2012-04-06 Thread Gary Driggs
I've seen a couple sources that suggest prices should be dropping by the end of April -- apparently not as low as pre flood prices due in part to a rise in manufacturing costs but about 10% lower than they're priced today. -Gary ___ zfs-discuss mailing

[zfs-discuss] ZFS Comes to OS X Courtesy of Apple's Former Chief ZFS Architect

2012-01-31 Thread Gary Driggs
It looks like the first iteration has finally launched... http://tenscomplement.com/our-products/zevo-silver-edition http://www.macrumors.com/2012/01/31/zfs-comes-to-os-x-courtesy-of-apples-former-chief-zfs-architect ___ zfs-discuss mailing list

Re: [zfs-discuss] zfs and iscsi performance help

2012-01-27 Thread Gary Mills
it. This is a separate problem, introduced with an upgrade to the Iscsi service. The new one has a dependancy on the name service (typically DNS), which means that it isn't available when the zpool import is done during the boot. Check with Oracle support to see if they have found a solution. -- -Gary Mills

Re: [zfs-discuss] unable to access the zpool after issue a reboot

2012-01-26 Thread Gary Mills
, `svcs' will show you the services listed in order of their completion times. The ZFS mount is done by this service: svc:/system/filesystem/local:default The zpool import (without the mount) is done earlier. Check to see if any of the FC services run too late during the boot. As Gary

Re: [zfs-discuss] unable to access the zpool after issue a reboot

2012-01-24 Thread Gary Mills
the reboot. -- -Gary Mills--refurb--Winnipeg, Manitoba, Canada- ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] zfs defragmentation via resilvering?

2012-01-16 Thread Gary Mills
when the storage became 50% full. It would increase markedly when the oldest snapshot was deleted. -- -Gary Mills--refurb--Winnipeg, Manitoba, Canada- ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http

Re: [zfs-discuss] Does raidzN actually protect against bitrot? If yes - how?

2012-01-15 Thread Gary Mills
of ZFS writes to the disk, then data belonging to ZFS will be modified. I've heard of RAID controllers or SAN devices doing this when they modify the disk geometry or reserved areas on the disk. -- -Gary Mills--refurb--Winnipeg, Manitoba, Canada

Re: [zfs-discuss] Any HP Servers recommendation for Openindiana (Capacity Server) ?

2012-01-03 Thread Gary Driggs
I can't comment on their 4U servers but HP's 12U includwd SAS controllers rarely allow JBOD discovery of drives. So I'd recommend an LSI card and an external storage chassis like those available from Promise and others. -Gary ___ zfs-discuss mailing

Re: [zfs-discuss] Any HP Servers recommendation for Openindiana (Capacity Server) ?

2012-01-03 Thread Gary Driggs
of years... Best you can do is try but if you don't see each drive individually you'll know it's by design and not lack of skill on your part. -Gary ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs

Re: [zfs-discuss] Very poor pool performance - no zfs/controller errors?!

2011-12-19 Thread Gary Mills
there are no contiguous blocks available. Deleting a snapshot provides some of these, but only temporarily. -- -Gary Mills--refurb--Winnipeg, Manitoba, Canada- ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org

Re: [zfs-discuss] CPU sizing for ZFS/iSCSI/NFS server

2011-12-12 Thread Gary Driggs
version of the X2-2. Has that changed with the Solaris x86 versions of the appliance? Also, does OCZ or someone make an equivalent to the F20 now? -Gary ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo

Re: [zfs-discuss] Improving L1ARC cache efficiency with dedup

2011-12-11 Thread Gary Driggs
What kind of drives are we talking about? Even SATA drives are available according to application type (desktop, enterprise server, home PVR, surveillance PVR, etc). Then there are drives with SAS fiber channel interfaces. Then you've got Winchester platters vs SSD vs hybrids. But even before

Re: [zfs-discuss] HP JBOD D2700 - ok?

2011-11-30 Thread Gary
and they work wonderfully with ZFS. -Gary ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

[zfs-discuss] ZFS forensics

2011-11-23 Thread Gary Driggs
Is zdb still the only way to dive in to the file system? I've seen the extensive work by Max Bruning on this but wonder if there are any tools that make this easier...? -Gary ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http

Re: [zfs-discuss] ZFS forensics

2011-11-23 Thread Gary Driggs
On Nov 23, 2011, Hung-Sheng Tsao (Lao Tsao 老曹) Ph.D. : did you see this link Thank you for this. Some of the other refs it lists will come in handy as well. kind regards, Gary ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http

[zfs-discuss] sd_max_throttle

2011-11-03 Thread Gary
wondering if anyone has had to touch this or other settings with ZFS appliances they've built...? -Gary ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

[zfs-discuss] Does the zpool cache file affect import?

2011-08-29 Thread Gary Mills
system.' error, or will the import succeed? Does the cache change the import behavior? Does it recognize that the server is the same system? I don't want to include the `-f' flag in the commands above when it's not needed. -- -Gary Mills--Unix Group--Computer and Network Services

Re: [zfs-discuss] How create a FAT filesystem on a zvol?

2011-07-12 Thread Gary Mills
On Sun, Jul 10, 2011 at 11:16:02PM +0700, Fajar A. Nugraha wrote: On Sun, Jul 10, 2011 at 10:10 PM, Gary Mills mi...@cc.umanitoba.ca wrote: The `lofiadm' man page describes how to export a file as a block device and then use `mkfs -F pcfs' to create a FAT filesystem on it. Can't I do

[zfs-discuss] How create a FAT filesystem on a zvol?

2011-07-10 Thread Gary Mills
device? -- -Gary Mills--Unix Group--Computer and Network Services- ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] write cache partial-disk pools (was Server with 4 drives, how to configure ZFS?)

2011-06-20 Thread Gary Mills
. -- -Gary Mills--Unix Group--Computer and Network Services- ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] JBOD recommendation for ZFS usage

2011-05-30 Thread Gary Mills
bandwidth * Up to 72 Gb/sec of total bandwidth * Four x4-wide 3 Gb/sec SAS host/uplink ports (48 Gb/sec bandwidth) * Two x4-wide 3 Gb/sec SAS expansion ports (24 Gb/sec bandwidth) * Scales up to 48 drives -- -Gary Mills--Unix Group--Computer and Network Services

Re: [zfs-discuss] Best practice for boot partition layout in ZFS

2011-04-06 Thread Gary Mills
to have `setuid=off' for improved security, for example. -- -Gary Mills--Unix Group--Computer and Network Services- ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

[zfs-discuss] One LUN per RAID group

2011-02-14 Thread Gary Mills
scheduling interfere with I/O scheduling already done by the storage device? Is there any reason not to use one LUN per RAID group? -- -Gary Mills--Unix Group--Computer and Network Services- ___ zfs-discuss mailing list zfs-discuss

Re: [zfs-discuss] One LUN per RAID group

2011-02-14 Thread Gary Mills
On Mon, Feb 14, 2011 at 03:04:18PM -0500, Paul Kraus wrote: On Mon, Feb 14, 2011 at 2:38 PM, Gary Mills mi...@cc.umanitoba.ca wrote: Is there any reason not to use one LUN per RAID group? [...] In other words, if you build a zpool with one vdev of 10GB and another with two vdev's each

[zfs-discuss] zpool-poolname has 99 threads

2011-01-31 Thread Gary Mills
. -- -Gary Mills--Unix Group--Computer and Network Services- ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Sliced iSCSI device for doing RAIDZ?

2010-09-24 Thread Gary Mills
redundancy reside in the storage device on the SAN. ZFS certainly can't do any disk management in this situation. Error detection and correction is still a debatable issue, one that quickly becomes exceedingly complex. The decision rests on probabilities rather than certainties. -- -Gary Mills

Re: [zfs-discuss] Sliced iSCSI device for doing RAIDZ?

2010-09-23 Thread Gary Mills
has to be done on the SAN storage device. -- -Gary Mills--Unix Group--Computer and Network Services- ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

[zfs-discuss] Howto reclaim space under legacy mountpoint?

2010-09-19 Thread Gary Gendel
is how to remove the files from the orginal rpool/export/home (non mount point) rpool? I a bit nervous to do a: zfs destroy rpool/export/home Is the the correct and safe methodology? Thanks, Gary -- This message posted from opensolaris.org ___ zfs

[zfs-discuss] can ufs zones and zfs zones coexist on a single global zone

2010-09-17 Thread Gary Dunn
Looking at migrating zones built on an M8000 and M5000 to a new M9000. On the M9000 we started building new deployments using ZFS. The environments on the M8/M5 are UFS. these are whole root zones. they will use global zone resources. Can this be done? Or would a ZFS migration be needed?

[zfs-discuss] Newbie question

2010-09-05 Thread Gary Gendel
to /export/home So, what are the appropriate commands for these steps? Thanks, Gary -- This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Newbie question

2010-09-05 Thread Gary Gendel
Norm, Thank you. I just wanted to double-check to make sure I didn't mess up things. There were steps that I was head-scratching after reading the man page. I'll spend a bit more time re-reading it using the steps outlined so I understand these fully. Gary -- This message posted from

Re: [zfs-discuss] ZFS with Equallogic storage

2010-08-22 Thread Gary Mills
provided by reliable SAN devices. -- -Gary Mills--Unix Group--Computer and Network Services- ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Solaris startup script location

2010-08-18 Thread Gary Mills
. It should also specify a `single_instance/' and `transient' service. The method script can do whatever the mount requires, such as creating the ramdisk. -- -Gary Mills--Unix Group--Computer and Network Services- ___ zfs-discuss mailing

Re: [zfs-discuss] Opensolaris is apparently dead

2010-08-16 Thread Gary Mills
recipients of any such Covered Software in Executable form as to how they can obtain such Covered Software in Source Code form in a reasonable manner on or through a medium customarily used for software exchange. -- -Gary Mills--Unix Group--Computer and Network Services

[zfs-discuss] ZFS development moving behind closed doors

2010-08-13 Thread Gary Mills
. -- -Gary Mills--Unix Group--Computer and Network Services- ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

[zfs-discuss] zfs upgrade unmounts filesystems

2010-07-29 Thread Gary Mills
'/space/log': Device busy cannot unmount '/space/mysql': Device busy 2 filesystems upgraded Do I have to shut down all the applications before upgrading the filesystems? This is on a Solaris 10 5/09 system. -- -Gary Mills--Unix Group--Computer and Network Services

Re: [zfs-discuss] zfs upgrade unmounts filesystems

2010-07-29 Thread Gary Mills
. Mapping them to services can be difficult. The server is essentially down during the upgrade. For a root filesystem, you might have to boot off the failsafe archive or a DVD and import the filesystem in order to upgrade it. -- -Gary Mills--Unix Group--Computer and Network Services

[zfs-discuss] root pool expansion

2010-07-28 Thread Gary Gendel
how to do this on a normal pool, but is there any restrictions for doing this on the root pool? Are there any grub issues? Thanks, Gary -- This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http

Re: [zfs-discuss] ZFS snapshot zvols/iscsi send backup

2010-07-13 Thread Gary Leong
Thanks for quick response. I appreciate it much. -- This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

[zfs-discuss] ZFS snapshot zvols/iscsi send backup

2010-07-12 Thread Gary Leong
before, I assume it assembles everything the way it was before, including the filesytem and such. Or am I incorrect about this? Gary -- This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http

Re: [zfs-discuss] are these errors dangerous

2010-06-08 Thread Gary Mitchell
I have seen this too I 'm guessing you have SATA disks which are on a iSCSI target. I'm also guessing you have used something like iscsitadm create target --type raw -b /dev/dsk/c4t0d00 c4t0d0 ie you are not using a zfs shareiscsi property on a zfs volume but creating the target from the

[zfs-discuss] ZFS disks hitting 100% busy

2010-06-07 Thread Gary Mills
to the zpool will double the bandwidth. /var/log/syslog is quite large, reaching about 600 megabytes before it's rotated. This takes place each night, with compression bringing it down to about 70 megabytes. The server handles about 500,000 messages a day. -- -Gary Mills--Unix Group

Re: [zfs-discuss] Is the J4200 SAS array suitable for Sun Cluster?

2010-05-17 Thread Gary Mills
that they have special hardware in the SATA version that simulates SAS dual interface drives. That's what lets you use SATA drives in a two-node configuration. There's also some additional software setup for that configuration. That would be the SATA interposer that does that. -- -Gary Mills

Re: [zfs-discuss] Does ZFS use large memory pages?

2010-05-07 Thread Gary Mills
On Thu, May 06, 2010 at 07:46:49PM -0700, Rob wrote: Hi Gary, I would not remove this line in /etc/system. We have been combatting this bug for a while now on our ZFS file system running JES Commsuite 7. I would be interested in finding out how you were able to pin point the problem. Our

[zfs-discuss] Is the J4200 SAS array suitable for Sun Cluster?

2010-05-03 Thread Gary Mills
paths. I plan to use ZFS everywhere, for the root filesystem and the shared storage. The only exception will be UFS for /globaldevices . -- -Gary Mills--Unix Group--Computer and Network Services- ___ zfs-discuss mailing list zfs-discuss

Re: [zfs-discuss] SAS vs SATA: Same size, same speed, why SAS?

2010-04-26 Thread Gary Mills
be easy to find a pair of 1U servers, but what's the smallest SAS array that's available? Does it need an array controller? What's needed on the servers to connect to it? -- -Gary Mills--Unix Group--Computer and Network Services- ___ zfs

Re: [zfs-discuss] Proposition of a new zpool property.

2010-03-20 Thread Gary Gendel
I'm not sure I like this at all. Some of my pools take hours to scrub. I have a cron job run scrubs in sequence... Start one pool's scrub and then poll until it's finished, start the next and wait, and so on so I don't create too much load and bring all I/O to a crawl. The job is launched

Re: [zfs-discuss] Snapshot recycle freezes system activity

2010-03-11 Thread Gary Mills
On Thu, Mar 04, 2010 at 04:20:10PM -0600, Gary Mills wrote: We have an IMAP e-mail server running on a Solaris 10 10/09 system. It uses six ZFS filesystems built on a single zpool with 14 daily snapshots. Every day at 11:56, a cron command destroys the oldest snapshots and creates new ones

Re: [zfs-discuss] Snapshot recycle freezes system activity

2010-03-09 Thread Gary Mills
On Mon, Mar 08, 2010 at 03:18:34PM -0500, Miles Nordin wrote: gm == Gary Mills mi...@cc.umanitoba.ca writes: gm destroys the oldest snapshots and creates new ones, both gm recursively. I'd be curious if you try taking the same snapshots non-recursively instead, does the pause go

Re: [zfs-discuss] Snapshot recycle freezes system activity

2010-03-09 Thread Gary Mills
much physical memory does this system have? Mine has 64 GB of memory with the ARC limited to 32 GB. The Cyrus IMAP processes, thousands of them, use memory mapping extensively. I don't know if this design affects the snapshot recycle behavior. -- -Gary Mills--Unix Group--Computer

Re: [zfs-discuss] Snapshot recycle freezes system activity

2010-03-05 Thread Gary Mills
On Thu, Mar 04, 2010 at 04:20:10PM -0600, Gary Mills wrote: We have an IMAP e-mail server running on a Solaris 10 10/09 system. It uses six ZFS filesystems built on a single zpool with 14 daily snapshots. Every day at 11:56, a cron command destroys the oldest snapshots and creates new ones

[zfs-discuss] Snapshot recycle freezes system activity

2010-03-04 Thread Gary Mills
. Is it destroying old snapshots or creating new ones that causes this dead time? What does each of these procedures do that could affect the system? What can I do to make this less visible to users? -- -Gary Mills--Unix Group--Computer and Network Services

Re: [zfs-discuss] Snapshot recycle freezes system activity

2010-03-04 Thread Gary Mills
On Thu, Mar 04, 2010 at 07:51:13PM -0300, Giovanni Tirloni wrote: On Thu, Mar 4, 2010 at 7:28 PM, Ian Collins [1]...@ianshome.com wrote: Gary Mills wrote: We have an IMAP e-mail server running on a Solaris 10 10/09 system. It uses six ZFS filesystems built

Re: [zfs-discuss] What Happend to my OpenSolaris X86 Install?

2010-02-11 Thread Gary Gendel
My guess is that the grub bootloader wasn't upgraded on the actual boot disk. Search for directions on how to mirror ZFS boot drives and you'll see how to copy the correct grub loader onto the boot disk. If you want to do this simpler, swap the disks. I did this when I was moving from SXCE

Re: [zfs-discuss] How do separate ZFS filesystems affect performance?

2010-01-14 Thread Gary Mills
On Thu, Jan 14, 2010 at 10:58:48AM +1100, Daniel Carosone wrote: On Wed, Jan 13, 2010 at 08:21:13AM -0600, Gary Mills wrote: Yes, I understand that, but do filesystems have separate queues of any sort within the ZIL? I'm not sure. If you can experiment and measure a benefit, understanding

Re: [zfs-discuss] Does ZFS use large memory pages?

2010-01-12 Thread Gary Mills
On Mon, Jan 11, 2010 at 01:43:27PM -0600, Gary Mills wrote: This line was a workaround for bug 6642475 that had to do with searching for for large contiguous pages. The result was high system time and slow response. I can't find any public information on this bug, although I assume it's

Re: [zfs-discuss] Repeating scrub does random fixes

2010-01-12 Thread Gary Gendel
Thanks for all the suggestions. Now for a strange tail... I tried upgrading to dev 130 and, as expected, things did not go well. All sorts of permission errors flew by during the upgrade stage and it would not start X-windows. I've heard that things installed from the contrib and extras

[zfs-discuss] How do separate ZFS filesystems affect performance?

2010-01-12 Thread Gary Mills
7 6 3525830G 32G 10:50:361K 117 9 105812 5344 1030G 32G -- -Gary Mills--Unix Group--Computer and Network Services- ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http

Re: [zfs-discuss] How do separate ZFS filesystems affect performance?

2010-01-12 Thread Gary Mills
On Tue, Jan 12, 2010 at 11:11:36AM -0600, Bob Friesenhahn wrote: On Tue, 12 Jan 2010, Gary Mills wrote: Is moving the databases (IMAP metadata) to a separate ZFS filesystem likely to improve performance? I've heard that this is important, but I'm not clear why

Re: [zfs-discuss] Repeating scrub does random fixes

2010-01-11 Thread Gary Gendel
of disks raidz bug I reported. Looks like I've got to bite the bullet and upgrade to the dev tree and hope for the best. Gary -- This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org

[zfs-discuss] Does ZFS use large memory pages?

2010-01-11 Thread Gary Mills
fixed by now. It may have only affected Oracle database. I'd like to remove this line from /etc/system now, but I don't know if it will have any adverse effect on ZFS or the Cyrus IMAP server that runs on this machine. Does anyone know if ZFS uses large memory pages? -- -Gary Mills--Unix

[zfs-discuss] Repeating scrub does random fixes

2010-01-10 Thread Gary Gendel
to be the issue I'd like to track down the source. Any docs on how to do this? Thanks, Gary -- This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Repeating scrub does random fixes

2010-01-10 Thread Gary Gendel
Mattias Pantzare wrote: On Sun, Jan 10, 2010 at 16:40, Gary Gendel g...@genashor.com wrote: I've been using a 5-disk raidZ for years on SXCE machine which I converted to OSOL. The only time I ever had zfs problems in SXCE was with snv_120, which was fixed. So, now I'm at OSOL snv_111b

[zfs-discuss] ZFS filesystems not mounted on reboot with Solaris 10 10/09

2009-12-19 Thread Gary Mills
start method (/lib/svc/method/fs-local) ] [ Dec 19 08:09:12 Method start exited with status 0 ] Is a dependancy missing? -- -Gary Mills--Unix Group--Computer and Network Services- ___ zfs-discuss mailing list zfs-discuss

Re: [zfs-discuss] Permanent errors on two files

2009-12-06 Thread Gary Mills
memory. There were no disk errors reported. I suppose we can blame the memory. -- -Gary Mills--Unix Group--Computer and Network Services- ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo

[zfs-discuss] freeNAS moves to Linux from FreeBSD

2009-12-06 Thread Gary Gendel
for OpenSolaris advocacy in this arena while the topic is hot. Gary -- This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Permanent errors on two files

2009-12-06 Thread Gary Mills
. You might be able to identify these object numbers with zdb, but I'm not sure how do that. You can try to use zdb this way to check if these objects still exist zdb -d space/dcc 0x11e887 0xba25aa -- -Gary Mills--Unix Group--Computer and Network Services

Re: [zfs-discuss] virsh troubling zfs!?

2009-11-04 Thread Gary Pennington
opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss Hope that helps. Gary -- Gary Pennington Solaris Core OS Sun Microsystems gary.penning...@sun.com

Re: [zfs-discuss] Apple shuts down open source ZFS project

2009-10-24 Thread Gary Gendel
Apple is known to strong arm in licensing negotiations. I'd really like to hear the straight-talk about what transpired. That's ok, it just means that I won't be using mac as a server. -- This message posted from opensolaris.org ___ zfs-discuss

[zfs-discuss] Slow reads with ZFS+NFS

2009-10-20 Thread Gary Gogick
that should be done when dealing specifically with ZFS. Any advice would be greatly appreciated. Thanks, -- -- Gary Gogick senior systems administrator | workhabit,inc. // email: g...@workhabit.com

Re: [zfs-discuss] Slow reads with ZFS+NFS

2009-10-20 Thread Gary Gogick
and see what happens. Thanks for the replies, appreciate the help! On Tue, Oct 20, 2009 at 1:43 PM, Trevor Pretty trevor_pre...@eagle.co.nzwrote: Gary Where you measuring the Linux NFS write performance? It's well know that Linux can use NFS in a very unsafe mode and report the write complete

Re: [zfs-discuss] If you have ZFS in production, willing to share some details (with me)?

2009-09-21 Thread Gary Mills
or I can share in a summary anything else that might be of interest You are welcome to share this information. -- -Gary Mills--Unix Group--Computer and Network Services- ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http

Re: [zfs-discuss] ZFS commands hang after several zfs receives

2009-09-15 Thread Gary Mills
for us back in May. -- -Gary Mills--Unix Group--Computer and Network Services- ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Problem with snv_122 Zpool issue

2009-09-12 Thread Gary Gendel
You shouldn't hit the Raid-Z issue because it only happens with an odd number of disks. -- This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Problem with RAID-Z in builds snv_120 - snv_123

2009-09-03 Thread Gary Gendel
Alan, Thanks for the detailed explanation. The rollback successfully fixed my 5-disk RAID-Z errors. I'll hold off another upgrade attempt until 124 rolls out. Fortunately, I didn't do a zfs upgrade right away after installing 121. For those that did, this could be very painful. Gary

Re: [zfs-discuss] snv_110 - snv_121 produces checksum errors on Raid-Z pool

2009-08-28 Thread Gary Gendel
Alan, Super find. Thanks, I thought I was just going crazy until I rolled back to 110 and the errors disappeared. When you do work out a fix, please ping me to let me know when I can try an upgrade again. Gary -- This message posted from opensolaris.org

Re: [zfs-discuss] snv_110 - snv_121 produces checksum errors on Raid-Z pool

2009-08-27 Thread Gary Gendel
default archive secondarycachealldefault And each of the sub-pools look like this: g...@phoenix[~]101zfs get all archive/gary archive/gary type filesystem - archive/gary creation Mon Jun 18 20:56 2007

[zfs-discuss] snv_110 - snv_121 produces checksum errors on Raid-Z pool

2009-08-25 Thread Gary Gendel
of problem way back around build 40-50 ish, but haven't seen it after that until now. Anyone else experiencing this problem or knows how to isolate the problem definitively? Thanks, Gary -- This message posted from opensolaris.org ___ zfs-discuss mailing

Re: [zfs-discuss] Why is Solaris 10 ZFS performance so terrible?

2009-07-07 Thread Gary Mills
On Mon, Jul 06, 2009 at 04:54:16PM +0100, Andrew Gabriel wrote: Andre van Eyssen wrote: On Mon, 6 Jul 2009, Gary Mills wrote: As for a business case, we just had an extended and catastrophic performance degradation that was the result of two ZFS bugs. If we have another one like that, our

Re: [zfs-discuss] Why is Solaris 10 ZFS performance so terrible?

2009-07-06 Thread Gary Mills
On Sat, Jul 04, 2009 at 07:18:45PM +0100, Phil Harman wrote: Gary Mills wrote: On Sat, Jul 04, 2009 at 08:48:33AM +0100, Phil Harman wrote: ZFS doesn't mix well with mmap(2). This is because ZFS uses the ARC instead of the Solaris page cache. But mmap() uses the latter. So if anyone

Re: [zfs-discuss] Why is Solaris 10 ZFS performance so terrible?

2009-07-04 Thread Gary Mills
to optimize the two caches in this environment? Will mmap(2) one day play nicely with ZFS? -- -Gary Mills--Unix Support--U of M Academic Computing and Networking- ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org

Re: [zfs-discuss] Lots of metadata overhead on filesystems with 100M files

2009-06-18 Thread Gary Mills
increased. Our problem was indirectly a result of fragmentation, but it was solved by a ZFS patch. I understand that this patch, which fixes a whole bunch of ZFS bugs, should be released soon. I wonder if this was your problem. -- -Gary Mills--Unix Support--U of M Academic Computing

Re: [zfs-discuss] What causes slow performance under load?

2009-05-13 Thread Gary Mills
On Mon, Apr 27, 2009 at 04:47:27PM -0500, Gary Mills wrote: On Sat, Apr 18, 2009 at 04:27:55PM -0500, Gary Mills wrote: We have an IMAP server with ZFS for mailbox storage that has recently become extremely slow on most weekday mornings and afternoons. When one of these incidents happens

Re: [zfs-discuss] What causes slow performance under load?

2009-04-27 Thread Gary Mills
On Sat, Apr 18, 2009 at 04:27:55PM -0500, Gary Mills wrote: We have an IMAP server with ZFS for mailbox storage that has recently become extremely slow on most weekday mornings and afternoons. When one of these incidents happens, the number of processes increases, the load average increases

Re: [zfs-discuss] Peculiarities of COW over COW?

2009-04-26 Thread Gary Mills
unlikely) Since the LUN is just a large file on the Netapp, I assume that all it can do is to put the blocks back into sequential order. That might have some benefit overall. -- -Gary Mills--Unix Support--U of M Academic Computing and Networking

Re: [zfs-discuss] Peculiarities of COW over COW?

2009-04-26 Thread Gary Mills
On Sun, Apr 26, 2009 at 05:02:38PM -0500, Tim wrote: On Sun, Apr 26, 2009 at 3:52 PM, Gary Mills [1]mi...@cc.umanitoba.ca wrote: We run our IMAP spool on ZFS that's derived from LUNs on a Netapp filer. There's a great deal of churn in e-mail folders, with messages

Re: [zfs-discuss] What is the 32 GB 2.5-Inch SATA Solid State Drive?

2009-04-25 Thread Gary Mills
On Fri, Apr 24, 2009 at 09:08:52PM -0700, Richard Elling wrote: Gary Mills wrote: Does anyone know about this device? SESX3Y11Z 32 GB 2.5-Inch SATA Solid State Drive with Marlin Bracket for Sun SPARC Enterprise T5120, T5220, T5140 and T5240 Servers, RoHS-6 Compliant

[zfs-discuss] What is the 32 GB 2.5-Inch SATA Solid State Drive?

2009-04-24 Thread Gary Mills
for ZFS? Is there any way I could use this in a T2000 server? The brackets appear to be different. -- -Gary Mills--Unix Support--U of M Academic Computing and Networking- ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http

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