[zfs-discuss] Mounting a ZFS clone

2007-01-15 Thread Albert Chin
access to the remote ZFS file system and the clone? -- albert chin ([EMAIL PROTECTED]) ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Mounting a ZFS clone

2007-01-16 Thread Albert Chin
On Tue, Jan 16, 2007 at 01:28:04PM -0800, Eric Kustarz wrote: Albert Chin wrote: On Mon, Jan 15, 2007 at 10:55:23AM -0600, Albert Chin wrote: I have no hands-on experience with ZFS but have a question. If the file server running ZFS exports the ZFS file system via NFS to clients, based

Re: [zfs-discuss] Re: Thumper Origins Q

2007-01-25 Thread Albert Chin
be a RAID 0 config on the 6140? -- albert chin ([EMAIL PROTECTED]) ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Re: Thumper Origins Q

2007-01-25 Thread Albert Chin
On Thu, Jan 25, 2007 at 10:16:47AM -0500, Torrey McMahon wrote: Albert Chin wrote: On Wed, Jan 24, 2007 at 10:19:29AM -0800, Frank Cusack wrote: On January 24, 2007 10:04:04 AM -0800 Bryan Cantrill [EMAIL PROTECTED] wrote: On Wed, Jan 24, 2007 at 09:46:11AM -0800, Moazam Raja wrote

Re: [zfs-discuss] Re: Thumper Origins Q

2007-01-25 Thread Albert Chin
). Well - there's no harm in making the suggestion ... right? Well, when you buy disk for the Sun 5320 NAS Appliance, you get a Controller Unit shelf and, if you expand storage, an Expansion Unit shelf that connects to the Controller Unit. Maybe the Expansion Unit shelf is a JBOD 6140? -- albert

Re: [zfs-discuss] Re: ZFS or UFS - what to do?

2007-01-29 Thread Albert Chin
of that. -- albert chin ([EMAIL PROTECTED]) ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] hot spares - in standby?

2007-01-30 Thread Albert Chin
the hot spare is distributed amongst data drives in the array. When a failure occurs, the rebuild occurs in parallel across _all_ drives in the array: http://www.issidata.com/specs/agami/enterprise-classreliability.pdf -- albert chin ([EMAIL PROTECTED

[zfs-discuss] Hypothetical question about multiple host access to 6140 array

2007-02-23 Thread Albert Chin
). Is it possible to allocate some disks from the 6140 array to ZFS on the X4100 for the purpose of migrating data from the appliance to ZFS? -- albert chin ([EMAIL PROTECTED]) ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org

Re: [zfs-discuss] File level snapshots in ZFS?

2007-03-29 Thread Albert Chin
just snapshot the file system. -- albert chin ([EMAIL PROTECTED]) ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

[zfs-discuss] Rsync update to ZFS server over SSH faster than over NFS?

2007-05-21 Thread Albert Chin
is 100MB. /etc/system on the file server is: set maxphys = 0x80 set ssd:ssd_max_throttle = 64 set zfs:zfs_nocacheflush = 1 Why can't the NFS performance match that of SSH? -- albert chin ([EMAIL PROTECTED]) ___ zfs-discuss mailing list zfs-discuss

Re: [zfs-discuss] Rsync update to ZFS server over SSH faster than over NFS?

2007-05-21 Thread Albert Chin
On Mon, May 21, 2007 at 02:55:18PM -0600, Robert Thurlow wrote: Albert Chin wrote: Why can't the NFS performance match that of SSH? One big reason is that the sending CPU has to do all the comparisons to compute the list of files to be sent - it has to fetch the attributes from both local

Re: [zfs-discuss] Rsync update to ZFS server over SSH faster than over NFS?

2007-05-21 Thread Albert Chin
On Mon, May 21, 2007 at 06:11:36PM -0500, Nicolas Williams wrote: On Mon, May 21, 2007 at 06:09:46PM -0500, Albert Chin wrote: But still, how is tar/SSH any more multi-threaded than tar/NFS? It's not that it is, but that NFS sync semantics and ZFS sync semantics conspire against single

Re: [zfs-discuss] Rsync update to ZFS server over SSH faster than over NFS?

2007-05-21 Thread Albert Chin
On Mon, May 21, 2007 at 04:55:35PM -0600, Robert Thurlow wrote: Albert Chin wrote: I think the bigger problem is the NFS performance penalty so we'll go lurk somewhere else to find out what the problem is. Is this with Solaris 10 or OpenSolaris on the client as well? Client is RHEL 4

Re: [zfs-discuss] Re: Rsync update to ZFS server over SSH faster than over

2007-05-21 Thread Albert Chin
and/or -oCompressionLevel? -- albert chin ([EMAIL PROTECTED]) ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

[zfs-discuss] Rsync update to ZFS server over SSH faster than over NFS?

2007-05-22 Thread Albert Chin
On Mon, May 21, 2007 at 13:23:48 -0800, Marion Hakanson wrote: Albert Chin wrote: Why can't the NFS performance match that of SSH? My first guess is the NFS vs array cache-flush issue. Have you configured the 6140 to ignore SYNCHRONIZE_CACHE requests? That'll make a huge difference for NFS

Re: [zfs-discuss] No zfs_nocacheflush in Solaris 10?

2007-05-24 Thread Albert Chin
array w/128k stripe, and ~69MB/s on a seven-disk RAID-5 array w/128k strip. -- albert chin ([EMAIL PROTECTED]) ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] No zfs_nocacheflush in Solaris 10?

2007-05-25 Thread Albert Chin
On Fri, May 25, 2007 at 12:14:45AM -0400, Torrey McMahon wrote: Albert Chin wrote: On Thu, May 24, 2007 at 11:55:58AM -0700, Grant Kelly wrote: I'm getting really poor write performance with ZFS on a RAID5 volume (5 disks) from a storagetek 6140 array. I've searched the web

Re: [zfs-discuss] No zfs_nocacheflush in Solaris 10?

2007-05-25 Thread Albert Chin
your file server on a UPS won't help here. http://blogs.sun.com/erickustarz/entry/zil_disable discusses some of the issues affecting zil_disable=1. We know we get better performance with zil_disable=1 but we're not taking any chances. -Andy On 5/24/07 4:16 PM, Albert Chin [EMAIL

Re: [zfs-discuss] Re: No zfs_nocacheflush in Solaris 10?

2007-05-25 Thread Albert Chin
confusing the array? I think both are ok. CAM is free. Dunno about Santricity. -- albert chin ([EMAIL PROTECTED]) ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] ZFS version 5 to version 6 fails to import or upgrade

2007-06-19 Thread Albert Chin
some features will not be available without an explicit 'zpool upgrade'. config: zones ONLINE c0d1s5ONLINE zpool import lists the pools available for import. Maybe you need to actually _import_ the pool first before you can upgrade. -- albert chin ([EMAIL

[zfs-discuss] How to take advantage of PSARC 2007/171: ZFS Separate Intent Log

2007-07-03 Thread Albert Chin
NVRAM storage to various sun low/mid-range servers that are currently acting as ZFS/NFS servers. Or maybe someone knows of cheap SSD storage that could be used for the ZIL? I think several HD's are available with SCSI/ATA interfaces. -- albert chin ([EMAIL PROTECTED

Re: [zfs-discuss] How to take advantage of PSARC 2007/171: ZFS Separate Intent Log

2007-07-03 Thread Albert Chin
/ProductCatalog(1321)-SanDisk_SSD_SATA_5000_25.aspx -- albert chin ([EMAIL PROTECTED]) ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] How to take advantage of PSARC 2007/171: ZFS Separate Intent Log

2007-07-03 Thread Albert Chin
On Tue, Jul 03, 2007 at 09:01:50AM -0700, Richard Elling wrote: Albert Chin wrote: Some of the Sun storage arrays contain NVRAM. It would be really nice if the array NVRAM would be available for ZIL storage. It would also be nice for extra hardware (PCI-X, PCIe card) that added NVRAM

Re: [zfs-discuss] How to take advantage of PSARC 2007/171: ZFS Separate Intent Log

2007-07-03 Thread Albert Chin
On Tue, Jul 03, 2007 at 10:31:28AM -0700, Richard Elling wrote: Albert Chin wrote: On Tue, Jul 03, 2007 at 09:01:50AM -0700, Richard Elling wrote: Albert Chin wrote: Some of the Sun storage arrays contain NVRAM. It would be really nice if the array NVRAM would be available for ZIL storage

Re: [zfs-discuss] How to take advantage of PSARC 2007/171: ZFS Separate Intent Log

2007-07-03 Thread Albert Chin
On Tue, Jul 03, 2007 at 11:02:24AM -0700, Bryan Cantrill wrote: On Tue, Jul 03, 2007 at 10:26:20AM -0500, Albert Chin wrote: PSARC 2007/171 will be available in b68. Any documentation anywhere on how to take advantage of it? Some of the Sun storage arrays contain NVRAM. It would

Re: [zfs-discuss] How to take advantage of PSARC 2007/171: ZFS Separate Intent Log

2007-07-09 Thread Albert Chin
On Tue, Jul 03, 2007 at 11:02:24AM -0700, Bryan Cantrill wrote: On Tue, Jul 03, 2007 at 10:26:20AM -0500, Albert Chin wrote: It would also be nice for extra hardware (PCI-X, PCIe card) that added NVRAM storage to various sun low/mid-range servers that are currently acting as ZFS/NFS

Re: [zfs-discuss] How to take advantage of PSARC 2007/171: ZFS Separate Intent Log

2007-07-10 Thread Albert Chin
On Tue, Jul 10, 2007 at 07:12:35AM -0500, Al Hopper wrote: On Mon, 9 Jul 2007, Albert Chin wrote: On Tue, Jul 03, 2007 at 11:02:24AM -0700, Bryan Cantrill wrote: On Tue, Jul 03, 2007 at 10:26:20AM -0500, Albert Chin wrote: It would also be nice for extra hardware (PCI-X, PCIe card

Re: [zfs-discuss] separate intent log blog

2007-07-18 Thread Albert Chin
Memory pci1332,5425 card :) I presume this is the PCI-X version. -- albert chin ([EMAIL PROTECTED]) ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] separate intent log blog

2007-07-18 Thread Albert Chin
anyone selling them. - Eric On Wed, Jul 18, 2007 at 01:54:23PM -0600, Neil Perrin wrote: Albert Chin wrote: On Wed, Jul 18, 2007 at 01:29:51PM -0600, Neil Perrin wrote: I wrote up a blog on the separate intent log called slog blog which describes the interface; some performance

Re: [zfs-discuss] separate intent log blog

2007-07-18 Thread Albert Chin
On Wed, Jul 18, 2007 at 01:54:23PM -0600, Neil Perrin wrote: Albert Chin wrote: On Wed, Jul 18, 2007 at 01:29:51PM -0600, Neil Perrin wrote: I wrote up a blog on the separate intent log called slog blog which describes the interface; some performance results; and general status: http

Re: [zfs-discuss] separate intent log blog

2007-07-27 Thread Albert Chin
if it is worth the whole effort for my personal purposes. Huh? So your MM-5425CN doesn't fit into a PCI slot? Any comment are very appreciated How did you obtain your card? -- albert chin ([EMAIL PROTECTED]) ___ zfs-discuss mailing list zfs-discuss

Re: [zfs-discuss] Zfs log device (zil) ever coming to Sol10?

2007-09-18 Thread Albert Chin
On Tue, Sep 18, 2007 at 12:59:02PM -0400, Andy Lubel wrote: I think we are very close to using zfs in our production environment.. Now that I have snv_72 installed and my pools set up with NVRAM log devices things are hauling butt. How did you get NVRAM log devices? -- albert chin ([EMAIL

Re: [zfs-discuss] ZFS array NVRAM cache?

2007-09-25 Thread Albert Chin
-July/003080.html You'll need to determine the performance impact of removing NVRAM from your data LUNs. Don't blindly do it. -- albert chin ([EMAIL PROTECTED]) ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman

[zfs-discuss] Oops (accidentally deleted replaced drive)

2007-11-19 Thread Albert Chin
replace c0t600A0B8000299966059E4668CBD3d0 with c0t600A0B8000299CCC06734741CD4Ed0: cannot replace a replacing device -- albert chin ([EMAIL PROTECTED]) ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman

Re: [zfs-discuss] Oops (accidentally deleted replaced drive)

2007-11-19 Thread Albert Chin
On Mon, Nov 19, 2007 at 06:23:01PM -0800, Eric Schrock wrote: You should be able to do a 'zpool detach' of the replacement and then try again. Thanks. That worked. - Eric On Mon, Nov 19, 2007 at 08:20:04PM -0600, Albert Chin wrote: Running ON b66 and had a drive fail. Ran 'zfs replace

Re: [zfs-discuss] Why did resilvering restart?

2007-11-20 Thread Albert Chin
. scrub: resilver in progress, 0.00% done, 134h45m to go What's going on? -- albert chin ([EMAIL PROTECTED]) ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Why did resilvering restart?

2007-11-20 Thread Albert Chin
is currently being resilvered. The pool will continue to function, possibly in a degraded state. action: Wait for the resilver to complete. scrub: resilver in progress, 0.00% done, 134h45m to go What's going on? -- albert chin ([EMAIL PROTECTED

Re: [zfs-discuss] Why did resilvering restart?

2007-11-21 Thread Albert Chin
On Tue, Nov 20, 2007 at 11:39:30AM -0600, Albert Chin wrote: On Tue, Nov 20, 2007 at 11:10:20AM -0600, [EMAIL PROTECTED] wrote: [EMAIL PROTECTED] wrote on 11/20/2007 10:11:50 AM: On Tue, Nov 20, 2007 at 10:01:49AM -0600, [EMAIL PROTECTED] wrote: Resilver and scrub are broken

Re: [zfs-discuss] Trial x4500, zfs with NFS and quotas.

2007-11-28 Thread Albert Chin
/listinfo/zfs-discuss -- albert chin ([EMAIL PROTECTED]) ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] ZFS Not Offlining Disk on SCSI Sense Error (X4500)

2008-01-03 Thread Albert Chin
desirable/reliable. http://blogs.sun.com/eschrock/entry/zfs_and_fma FMA For ZFS Phase 2 (PSARC/2007/283) was integrated in b68: http://www.opensolaris.org/os/community/arc/caselog/2007/283/ http://www.opensolaris.org/os/community/on/flag-days/all/ -- albert chin ([EMAIL PROTECTED

Re: [zfs-discuss] LowEnd Batt. backed raid controllers that will deal with ZFS commit semantics correctly?

2008-01-22 Thread Albert Chin
, no inexpensive cards exist for the common consumer (with ECC memory anyways). If you convince http://www.micromemory.com/ to sell you one, let us know :) Set set zfs:zil_disable = 1 in /etc/system to gauge the type of improvement you can expect. Don't use this in production though. -- albert chin

Re: [zfs-discuss] sharenfs with over 10000 file systems

2008-01-23 Thread Albert Chin
on, but it might take sometime before everything is made aware that yes it's no longer unusual that there can be 1+ filesystems on one machine. But shouldn't sharemgr(1M) be aware? It's relatively new. -- albert chin ([EMAIL PROTECTED]) ___ zfs-discuss

Re: [zfs-discuss] LowEnd Batt. backed raid controllers that will deal with ZFS commit semantics correctly?

2008-01-25 Thread Albert Chin
equivalent to the performance of ZIL disabled with ZIL/RAM. I'd do ZIL with a battery-backed RAM in a heartbeat if I could find a card. I think others would as well. -- albert chin ([EMAIL PROTECTED]) ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http

Re: [zfs-discuss] Performance with Sun StorageTek 2540

2008-02-15 Thread Albert Chin
/0b500afc4d62d434?lnk=stq=#0b500afc4d62d434 -- albert chin ([EMAIL PROTECTED]) ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] zfs send/recv question

2008-03-11 Thread Albert Chin
a ZFS property with the date of the last backup. -- albert chin ([EMAIL PROTECTED]) ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] ZFS configuration for VMware

2008-06-27 Thread Albert Chin
, and I don't have any space in this server to mount a SSD. Maybe you can call Vmetro and get the names of some resellers whom you could call to get pricing info? -- albert chin ([EMAIL PROTECTED]) ___ zfs-discuss mailing list zfs-discuss

Re: [zfs-discuss] J4200/J4400 Array

2008-07-02 Thread Albert Chin
J4400 with 24 disks. Doc is here : http://docs.sun.com/app/docs/coll/j4200 -- albert chin ([EMAIL PROTECTED]) ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] J4200/J4400 Array

2008-07-03 Thread Albert Chin
series is doing ZFS/NFS, performance will increase with zfs:zfs_nocacheflush=1. But, without battery-backed NVRAM, this really isn't safe. So, for this usage case, unless the server has battery-backed NVRAM, I don't see how the J series is good for ZFS/NFS usage. -- albert chin ([EMAIL PROTECTED

Re: [zfs-discuss] How do you grow a ZVOL?

2008-07-17 Thread Albert Chin
. -- albert chin ([EMAIL PROTECTED]) ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] ZIL NVRAM partitioning?

2008-09-06 Thread Albert Chin
umem_Sol_Drv_Cust_i386_v01_11.pkg hangs on ## Installing part 1 of 3. on snv_95. I do not have other Solaris versions to experiment with; this is really just a hobby for me. Does the card come with any programming specs to help debug the driver? -- albert chin ([EMAIL PROTECTED

Re: [zfs-discuss] ZFS space efficiency when copying files from another source

2008-11-24 Thread Albert Chin
On Mon, Nov 24, 2008 at 08:43:18AM -0800, Erik Trimble wrote: I _really_ wish rsync had an option to copy in place or something like that, where the updates are made directly to the file, rather than a temp copy. Isn't this what --inplace does? -- albert chin ([EMAIL PROTECTED

[zfs-discuss] Why so many data errors with raidz2 config and one failing drive?

2009-08-24 Thread Albert Chin
does the third raidz2 vdev report 34.0K CKSUM errors? The number of data errors appears to be increasing as well as the resilver process continues. -- albert chin (ch...@thewrittenword.com) ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http

Re: [zfs-discuss] Why so many data errors with raidz2 config and one failing drive?

2009-08-24 Thread Albert Chin
On Mon, Aug 24, 2009 at 02:01:39PM -0500, Bob Friesenhahn wrote: On Mon, 24 Aug 2009, Albert Chin wrote: Seems some of the new drives are having problems, resulting in CKSUM errors. I don't understand why I have so many data errors though. Why does the third raidz2 vdev report 34.0K CKSUM

[zfs-discuss] Resilver complete, but device not replaced, odd zpool status output

2009-08-25 Thread Albert Chin
\ c6t600A0B800029996609EE4A89DA51d0 invalid vdev specification use '-f' to override the following errors: /dev/dsk/c6t600A0B800029996609EE4A89DA51d0s0 is part of active ZFS pool tww. Please see zpool(1M). So, what is going on? -- albert chin (ch...@thewrittenword.com

Re: [zfs-discuss] Resilver complete, but device not replaced, odd zpool status output

2009-08-25 Thread Albert Chin
On Tue, Aug 25, 2009 at 06:05:16AM -0500, Albert Chin wrote: [[ snip snip ]] After the resilver completed: # zpool status tww pool: tww state: DEGRADED status: One or more devices has experienced an error resulting in data corruption. Applications may be affected. action

[zfs-discuss] zpool scrub started resilver, not scrub

2009-08-26 Thread Albert Chin
: http://www.sun.com/msg/ZFS-8000-8A scrub: resilver in progress for 0h11m, 2.82% done, 6h21m to go config: ... So, why is a resilver in progress when I asked for a scrub? -- albert chin (ch...@thewrittenword.com) ___ zfs-discuss mailing list zfs-discuss

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

2009-08-27 Thread Albert Chin
this down, just lots of checksum errors. So, on snv_121, can you read the files with checksum errors? Is it simply the reporting mechanism that is wrong or are the files really damaged? -- albert chin (ch...@thewrittenword.com) ___ zfs-discuss mailing list

Re: [zfs-discuss] zpool scrub started resilver, not scrub

2009-08-31 Thread Albert Chin
On Wed, Aug 26, 2009 at 02:33:39AM -0500, Albert Chin wrote: # cat /etc/release Solaris Express Community Edition snv_105 X86 Copyright 2008 Sun Microsystems, Inc. All Rights Reserved. Use is subject to license terms

[zfs-discuss] zpool replace complete but old drives not detached

2009-09-06 Thread Albert Chin
INUSE currently in use c6t600A0B800029996605C84668F461d0 INUSE currently in use c6t600A0B80002999660A454A93CEDBd0 AVAIL c6t600A0B80002999660ADA4A9CF2EDd0 AVAIL -- albert chin (ch...@thewrittenword.com

[zfs-discuss] How to recover from can't open objset, cannot iterate filesystems?

2009-09-21 Thread Albert Chin
0 c4t6d0 ONLINE 0 0 0 c4t7d0 ONLINE 0 0 0 errors: 855 data errors, use '-v' for a list -- albert chin (ch...@thewrittenword.com) ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http

[zfs-discuss] zfs snapshot -r panic on b114

2009-09-23 Thread Albert Chin
zfs:txg_sync_thread+265 () ff00104c0c50 unix:thread_start+8 () System is a X4100M2 running snv_114. Any ideas? -- albert chin (ch...@thewrittenword.com) ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman

[zfs-discuss] Help! System panic when pool imported

2009-09-24 Thread Albert Chin
destroy transaction never completed and it is being replayed, causing the panic. This cycle continues endlessly. -- albert chin (ch...@thewrittenword.com) ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman

Re: [zfs-discuss] Help! System panic when pool imported

2009-09-25 Thread Albert Chin
On Fri, Sep 25, 2009 at 05:21:23AM +, Albert Chin wrote: [[ snip snip ]] We really need to import this pool. Is there a way around this? We do have snv_114 source on the system if we need to make changes to usr/src/uts/common/fs/zfs/dsl_dataset.c. It seems like the zfs destroy

Re: [zfs-discuss] Help! System panic when pool imported

2009-09-27 Thread Albert Chin
just in case. -- albert chin (ch...@thewrittenword.com) ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

[zfs-discuss] Quickest way to find files with cksum errors without doing scrub

2009-09-28 Thread Albert Chin
Without doing a zpool scrub, what's the quickest way to find files in a filesystem with cksum errors? Iterating over all files with find takes quite a bit of time. Maybe there's some zdb fu that will perform the check for me? -- albert chin (ch...@thewrittenword.com

Re: [zfs-discuss] Quickest way to find files with cksum errors without doing scrub

2009-09-28 Thread Albert Chin
. This should work but it does not verify the redundant metadata. For example, the duplicate metadata copy might be corrupt but the problem is not detected since it did not happen to be used. Too bad we cannot scrub a dataset/object. -- albert chin (ch...@thewrittenword.com

Re: [zfs-discuss] Quickest way to find files with cksum errors without doing scrub

2009-09-28 Thread Albert Chin
On Mon, Sep 28, 2009 at 10:16:20AM -0700, Richard Elling wrote: On Sep 28, 2009, at 3:42 PM, Albert Chin wrote: On Mon, Sep 28, 2009 at 12:09:03PM -0500, Bob Friesenhahn wrote: On Mon, 28 Sep 2009, Richard Elling wrote: Scrub could be faster, but you can try tar cf - . /dev/null

[zfs-discuss] refreservation not transferred by zfs send when sending a volume?

2009-09-28 Thread Albert Chin
properties are not sent? -- albert chin (ch...@thewrittenword.com) ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

[zfs-discuss] Should usedbydataset be the same after zfs send/recv for a volume?

2009-09-28 Thread Albert Chin
USED AVAIL REFER MOUNTPOINT t/opt/vms/images/vios/near.img 14.5G 2.42T 14.5G - snv119# zfs get usedbydataset t/opt/vms/images/vios/near.img NAMEPROPERTY VALUE SOURCE t/opt/vms/images/vios/near.img usedbydataset 14.5G - -- albert chin (ch

Re: [zfs-discuss] Should usedbydataset be the same after zfs send/recv for a volume?

2009-09-28 Thread Albert Chin
On Mon, Sep 28, 2009 at 07:33:56PM -0500, Albert Chin wrote: When transferring a volume between servers, is it expected that the usedbydataset property should be the same on both? If not, is it cause for concern? snv114# zfs list tww/opt/vms/images/vios/near.img NAME

Re: [zfs-discuss] zfs receive should allow to keep received system

2009-09-28 Thread Albert Chin
filesystem For the property list, run: zfs set|get For the delegated permission list, run: zfs allow|unallow r...@xxx:~# uname -a SunOS xxx 5.10 Generic_13-03 sun4u sparc SUNW,Sun-Fire-V890 What's wrong? Looks like -u was a recent addition. -- albert chin (ch...@thewrittenword.com

Re: [zfs-discuss] iscsi/comstar performance

2009-10-13 Thread Albert Chin
3.08, etc., but such a dramatic loss of performance probably has a single cause. Is anyone willing to speculate? Maybe this will help: http://mail.opensolaris.org/pipermail/storage-discuss/2009-September/007118.html -- albert chin (ch...@thewrittenword.com

Re: [zfs-discuss] Help! System panic when pool imported

2009-10-19 Thread Albert Chin
Albert Chin wrote: Running snv_114 on an X4100M2 connected to a 6140. Made a clone of a snapshot a few days ago: # zfs snapshot a...@b # zfs clone a...@b tank/a # zfs clone a...@b tank/b The system started panicing after I tried: # zfs snapshot tank/b...@backup So, I destroyed tank/b

Re: [zfs-discuss] Help! System panic when pool imported

2009-10-20 Thread Albert Chin
On Mon, Oct 19, 2009 at 09:02:20PM -0500, Albert Chin wrote: On Mon, Oct 19, 2009 at 03:31:46PM -0700, Matthew Ahrens wrote: Thanks for reporting this. I have fixed this bug (6822816) in build 127. Thanks. I just installed OpenSolaris Preview based on 125 and will attempt to apply

Re: [zfs-discuss] Performance problems with Thumper and 7TB ZFS pool using RAIDZ2

2009-10-24 Thread Albert Chin
level (I believe it's S10u6) and ZFS recordsize. Any suggestions will be appreciated. regards, Jeff -- albert chin (ch...@thewrittenword.com) ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs

Re: [zfs-discuss] zfs send... too slow?

2009-10-26 Thread Albert Chin
a month. Can I speed this up? It's not immediately obvious what the cause is. Maybe the server running zfs send has slow MB/s performance reading from disk. Maybe the network. Or maybe the remote system. This might help: http://tinyurl.com/yl653am -- albert chin (ch...@thewrittenword.com

Re: [zfs-discuss] STK 2540 and Ignore Cache Sync (ICS)

2009-10-26 Thread Albert Chin
@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss -- albert chin (ch...@thewrittenword.com) ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] heads up on SXCE build 125 (LU + mirrored root pools)

2009-11-05 Thread Albert Chin
://opensolaris.org/jive/thread.jspa?threadID=115503tstart=0 -- albert chin (ch...@thewrittenword.com) ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

[zfs-discuss] cannot receive new filesystem stream: invalid backup stream

2009-12-27 Thread Albert Chin
-hpux11...@ab zfs snapshot tww/opt/chroots/hppa1.1-hp-hpux11...@ab zfs clone tww/opt/chroots/hppa1.1-hp-hpux11...@ab tww/opt/chroots/ab/hppa1.1-hp-hpux11.11 ... and then perform another zfs send/receive, the error above occurs. Why? -- albert chin (ch...@thewrittenword.com

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

2011-12-12 Thread Albert Chin
? -- albert chin (ch...@thewrittenword.com) ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

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

2011-12-12 Thread Albert Chin
On Mon, Dec 12, 2011 at 02:40:52PM -0500, Hung-Sheng Tsao (Lao Tsao 老曹) Ph.D. wrote: please check out the ZFS appliance 7120 spec 2.4Ghz /24GB memory and ZIL(SSD) may be try the ZFS simulator SW Good point. Thanks. regards On 12/12/2011 2:28 PM, Albert Chin wrote: We're preparing

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

2011-12-12 Thread Albert Chin
On Mon, Dec 12, 2011 at 03:01:08PM -0500, Hung-Sheng Tsao (Lao Tsao 老曹) Ph.D. wrote: 4c@2.4ghz Yep, that's the plan. Thanks. On 12/12/2011 2:44 PM, Albert Chin wrote: On Mon, Dec 12, 2011 at 02:40:52PM -0500, Hung-Sheng Tsao (Lao Tsao 老曹) Ph.D. wrote: please check out the ZFS appliance