Re: [zfs-discuss] zpool detach on non-mirrored drive

2008-12-16 Thread Daniel
tcook, Thanks for your response. Well, I don't imagine there would be a lot of requests from enterprise customers with deep pockets. My impression has been that OS is targetting the little guy though, and as such, this would really be a welcome feature. -- This message posted from opensolaris.

Re: [zfs-discuss] zpool detach on non-mirrored drive

2008-12-16 Thread Tim
On Tue, Dec 16, 2008 at 7:10 PM, Daniel wrote: > I'm using zfs not to have access to a fail-safe backed up system, but to > easily manage my file system. I would like to be able to, as I buy new > harddrives, just to be able to replace the old ones. I'm very > environmentally concious, so I don'

Re: [zfs-discuss] ZFS and SAN Arrays

2008-12-16 Thread Bob Friesenhahn
On Tue, 16 Dec 2008, Reed Gregory wrote: > 8 Hardware RAID-5 Groups ( 5 drives each) and 2 SAN hot spares. > zraid of these 8 Raid Groups. ~ 14TB usable. > > I did read in a FAQ that doing double redundancy is not recommended > since parity would have to be calculated twice. I was wondering >

Re: [zfs-discuss] HP Smart Array and b99, opensolaris 2008.11 and qlogic problems?

2008-12-16 Thread Fajar A. Nugraha
(CC-ing both lists, since I post the question to both under different subject) sim wrote: > Ok, > > In my situation qlogic cannot get insync on second FC port (I can see it on > switch). > If you want just bypass loading of qcl driver, before booting the system add > in grub this: > > -B disable

[zfs-discuss] ZFS and SAN Arrays

2008-12-16 Thread Reed Gregory
New ZFS user here. NexSAN Satabeast with 42 500G Sata drives of course, Dual Channel 4G Fiber. Fibre network attached to Solaris 10 running on HP Blade. Possibly will add second solaris blade for failover. Now I am looking for reliability with decent disk space totals. I would prefer not

Re: [zfs-discuss] Drive Checksum error

2008-12-16 Thread Glaser, David
Thanks for the responses. Richard, Yes, zpool status returns an error: # zpool status -xv pool: zpool1 state: ONLINE status: One or more devices has experienced an unrecoverable error. An attempt was made to correct the error. Applications are unaffected. action: Determine if the de

Re: [zfs-discuss] Easiest way to replace a boot disk with a larger one?

2008-12-16 Thread Alex Viskovatoff
Hi again Cindy, Well, I got the two new 1.5 TB disks, but I ran into a snag: > a...@diotima:~# zpool attach rpool c3t0d0s0 c3t1d0 > cannot label 'c3t1d0': EFI labeled devices are not supported on root pools. The Solaris 10 System Administration Guide: Devices and File Systems gives some pertine

[zfs-discuss] zpool detach on non-mirrored drive

2008-12-16 Thread Daniel
I'm using zfs not to have access to a fail-safe backed up system, but to easily manage my file system. I would like to be able to, as I buy new harddrives, just to be able to replace the old ones. I'm very environmentally concious, so I don't want to leave old drives in there to consume power a

Re: [zfs-discuss] zfs is a co-dependent parent and won't let children leave home

2008-12-16 Thread Ethan Quach
cindy.swearin...@sun.com wrote: > Hi Seymour, > > I didn't get a chance to reproduce this until today and I noticed > that originally you used zfs destroy to remove the unwanted BE (b99). > > I tested these steps by using beadm destroy with the auto snapshots > running and didn't see the proble

Re: [zfs-discuss] Drive Checksum error

2008-12-16 Thread Richard Elling
Glaser, David wrote: > Hi all, > > A few weeks ago I was inquiring of the group on how often to do zfs > scrubs of pools on our x4500's. Figures that the first time I try > to do a monthly scrub of our pools, we get one of the three machines > to throw an error. On one of the machines, there's o

Re: [zfs-discuss] Using zfs mirror as a simple backup mechanism for time-slider.

2008-12-16 Thread Darren J Moffat
Niall Power wrote: > Hi all, > > A while back, I posted here about the issues ZFS has with USB hotplugging > of ZFS formatted media when we were trying to plan an external media backup > solution for time-slider: > http://www.opensolaris.org/jive/thread.jspa?messageID=299501 > > As well as the U

Re: [zfs-discuss] ZFS Boot on SAN

2008-12-16 Thread Craig Morgan
I'd first resolve the OBP and HBA fcode issues, then I'd verify that you are starting from a cold-reset system. "Fast Data Access MMU Miss" is a notorious problem on SF280R and is very often associated with attempting to reboot after a warm cycle of the system. We instituted a cold cycle of

Re: [zfs-discuss] zfs is a co-dependent parent and won't let children leave home

2008-12-16 Thread Cindy . Swearingen
Hi Seymour, I didn't get a chance to reproduce this until today and I noticed that originally you used zfs destroy to remove the unwanted BE (b99). I tested these steps by using beadm destroy with the auto snapshots running and didn't see the problems listed below. I think your eventual beadm des

Re: [zfs-discuss] UFS over zvol major performance hit

2008-12-16 Thread Roch Bourbonnais
Le 15 déc. 08 à 01:13, Ahmed Kamal a écrit : > Hi, > > I have been doing some basic performance tests, and I am getting a > big hit when I run UFS over a zvol, instead of directly using zfs. > Any hints or explanations is very welcome. Here's the scenario. The > machine has 30G RAM, and two

Re: [zfs-discuss] HP Smart Array and b99?

2008-12-16 Thread sim
Ok, In my situation qlogic cannot get insync on second FC port (I can see it on switch). If you want just bypass loading of qcl driver, before booting the system add in grub this: -B disable-qlc=true (in line starting with kernel ...) On my server, without qlc driver everything works fine.

[zfs-discuss] growing vdev or zfs volume

2008-12-16 Thread Krzys
I was wondering, if I have vdev setup and I do present it to another box via iscsi, is there any way to grow that vdev? for example when I do this: zfs create -V 100G mypool6/v1 zfs set shareiscsi=on mypool6/v1 can I then expand 100G pool to lets say 150G? I do not care about file system on the

Re: [zfs-discuss] Using zfs mirror as a simple backup mechanism for time-slider.

2008-12-16 Thread Tim
On Tue, Dec 16, 2008 at 1:53 PM, Miles Nordin wrote: > > "np" == Niall Power writes: > >np> So I'd like to ask if this is an appropriate use of ZFS mirror >np> functionality? > > I like it a lot. > > I tried to set up something like that ad-hoc using a firewire disk on > an Ultra10 a

Re: [zfs-discuss] zfs source documentation

2008-12-16 Thread Prabahar Jeyaram
There is ZFS source tour : URL : http://www.opensolaris.org/os/community/zfs/source/ -- Prabahar. On Dec 14, 2008, at 10:25 PM, kavita wrote: > Is there a documentation available for zfs source code? > -- > This message posted from opensolaris.org >

Re: [zfs-discuss] Using zfs mirror as a simple backup mechanism for time-slider.

2008-12-16 Thread Miles Nordin
> "np" == Niall Power writes: np> So I'd like to ask if this is an appropriate use of ZFS mirror np> functionality? I like it a lot. I tried to set up something like that ad-hoc using a firewire disk on an Ultra10 at first, and then, just as you thought, tried using one firewire dis

Re: [zfs-discuss] Drive Checksum error

2008-12-16 Thread Jonathan
Glaser, David wrote: > Hi all, [snipped] > So, is there a way to see if it is a bad disk, or just zfs being a pain? > Should I reset the checksum error counter and re-run the scrub? You could try using smartctl to query the disk directly, although I don't recall if it works on the x4500. Normal

Re: [zfs-discuss] Split responsibility for data with ZFS

2008-12-16 Thread John Kaitschuck
Miles Nordin wrote: >> "nw" == Nicolas Williams writes: > > > nw> You're not required to go with one-filesystem-per-user though! > > It was pitched as an architectural advantage, but never fully > delivered, and worse, used to justify removing traditional Unix > quotas. Consequently, qu

Re: [zfs-discuss] Split responsibility for data with ZFS

2008-12-16 Thread Miles Nordin
> "nw" == Nicolas Williams writes: nw> For NFSv4 clients that support mirror mounts its not a problem nw> at all. no, 3000 - 10,000 users is common for a large campus, and according to posters here, sometimes that many users actually can fit into the bandwidth of a single pool. But

Re: [zfs-discuss] Drive Checksum error

2008-12-16 Thread Tim
On Tue, Dec 16, 2008 at 12:05 PM, Glaser, David wrote: > Hi all, > > > > A few weeks ago I was inquiring of the group on how often to do zfs scrubs > of pools on our x4500's. Figures that the first time I try to do a monthly > scrub of our pools, we get one of the three machines to throw an erro

[zfs-discuss] Drive Checksum error

2008-12-16 Thread Glaser, David
Hi all, A few weeks ago I was inquiring of the group on how often to do zfs scrubs of pools on our x4500's. Figures that the first time I try to do a monthly scrub of our pools, we get one of the three machines to throw an error. On one of the machines, there's one disk that has registered one

Re: [zfs-discuss] Need Help Invalidating Uberblock

2008-12-16 Thread A Darren Dunham
On Tue, Dec 16, 2008 at 12:07:52PM +, Ross Smith wrote: > It sounds to me like there are several potentially valid filesystem > uberblocks available, am I understanding this right? > > 1. There are four copies of the current uberblock. Any one of these > should be enough to load your pool wit

Re: [zfs-discuss] Using zfs mirror as a simple backup mechanism for time-slider.

2008-12-16 Thread Niall Power
Andrew Gabriel wrote: > > Different USB memory sticks vary enormously in speed. > The speed is often not described on the packaging, so it's often not > possible to know how fast one is until after you've bought it and > tried it. > This was tested with an external laptop hardisk inside a USB enc

Re: [zfs-discuss] Using zfs mirror as a simple backup mechanism for time-slider.

2008-12-16 Thread Andrew Gabriel
Niall Power wrote: >> Yes to both I believe, while the USB device is >> attached your system will run slower, and it will run >> considerably slower while replicating data. >> Hopefully USB 3 or eSATA drives would address this >> to some extent. > > I think I've confirmed this is the case, at lea

Re: [zfs-discuss] Using zfs mirror as a simple backup mechanism for time-slider.

2008-12-16 Thread Niall Power
> > Yes to both I believe, while the USB device is > attached your system will run slower, and it will run > considerably slower while replicating data. > Hopefully USB 3 or eSATA drives would address this > to some extent. I think I've confirmed this is the case, at least in the configuration I

Re: [zfs-discuss] Need Help Invalidating Uberblock

2008-12-16 Thread Nils Goroll
Well done, Nathan, thank you taking on the additional effort to write it all up. ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] ZFS Boot on SAN

2008-12-16 Thread Tim
I'd start by upgrading the fcode on the QLogic adapter as well as upgrading the obp on the server. http://filedownloads.qlogic.com/Files/TempDownlods/20340/qla23xxFcode2.12.tar.Z I'd also double check your LUN security on the storage array. Seems to me you might not have it configured properly, a

Re: [zfs-discuss] ZFS Boot on SAN

2008-12-16 Thread Doug Baker - Sun UK - Support Engineer
Stanislav Filippov wrote: > Hi, Milek! > I try to get Sun-Fire-280R to boot zfs-rpool, where 1 of 2 slices is in SAN. > > here is a small listing of properties: > > {0} ok show-devs > > /p...@8,60/SUNW,q...@4 > /p...@8,60/SUNW,q...@4/f...@0,0 > /p...@8,60/SUNW,q...@4/f...@0

Re: [zfs-discuss] ZFS Boot on SAN

2008-12-16 Thread Stanislav Filippov
Hi, Milek! I try to get Sun-Fire-280R to boot zfs-rpool, where 1 of 2 slices is in SAN. here is a small listing of properties: {0} ok show-devs /p...@8,60/SUNW,q...@4 /p...@8,60/SUNW,q...@4/f...@0,0 /p...@8,60/SUNW,q...@4/f...@0,0/disk /p...@8,70/QLGC,q...@3 /p...@8,700

Re: [zfs-discuss] Using zfs mirror as a simple backup mechanism for time-slider.

2008-12-16 Thread Ross
> One other question I have about using mirrors is > potential performance implications. > In a common scenario the user might be using the main > S(ATA) attached disk and > a USB external disk as a mirror configuration. Could > the slower disk become a > bottleneck because of it's lower I/O read/

Re: [zfs-discuss] Using zfs mirror as a simple backup mechanism for time-slider.

2008-12-16 Thread Niall Power
Hi Volker, > Yes, by all means. I am doing something very similar > on my T1000, but > I have two separate one-disk pools and copy to the > backup pool using > rsync. I would very much like to replace this with > automatic resilvering. > > One prerequisite for wide adoption would be to fix > th

Re: [zfs-discuss] Need Help Invalidating Uberblock

2008-12-16 Thread Ross Smith
It sounds to me like there are several potentially valid filesystem uberblocks available, am I understanding this right? 1. There are four copies of the current uberblock. Any one of these should be enough to load your pool with no data loss. 2. There are also a few (would love to know how many)

Re: [zfs-discuss] Using zfs mirror as a simple backup mechanism for time-slider.

2008-12-16 Thread Niall Power
> Does 1. really need to be fixed? > I'm not suggesting that it's currently broken I'm just asking if it would be reasonable to special case our usage a little bit in order to avoid unnecessary alarm to users. This will be seen as a fit and finish/polish issue. If it's easy to address that then

Re: [zfs-discuss] Need Help Invalidating Uberblock

2008-12-16 Thread Johan Hartzenberg
On Tue, Dec 16, 2008 at 1:43 PM, wrote: > > > >When current uber-block A is detected to point to a corrupted on-disk > data, > >how would "zpool import" (or any other tool for that matter) quickly and > >safely know that, once it found an older uber-block "B" that it points to > a > >set of block

Re: [zfs-discuss] Need Help Invalidating Uberblock

2008-12-16 Thread Casper . Dik
>When current uber-block A is detected to point to a corrupted on-disk data, >how would "zpool import" (or any other tool for that matter) quickly and >safely know that, once it found an older uber-block "B" that it points to a >set of blocks which does not include any blocks that has since been

Re: [zfs-discuss] Need Help Invalidating Uberblock

2008-12-16 Thread Johan Hartzenberg
On Tue, Dec 16, 2008 at 11:39 AM, Ross wrote: > I know Eric mentioned the possibility of zpool import doing more of this > kind of thing, and he said that it's current inability to do this will be > fixed, but I don't know if it's an official project, RFE or bug. Can > anybody shed some light on

Re: [zfs-discuss] Need Help Invalidating Uberblock

2008-12-16 Thread Ross
I know Eric mentioned the possibility of zpool import doing more of this kind of thing, and he said that it's current inability to do this will be fixed, but I don't know if it's an official project, RFE or bug. Can anybody shed some light on this? See Jeff's post on Oct 10, and Eric's follow

Re: [zfs-discuss] Using zfs mirror as a simple backup mechanism for time-slider.

2008-12-16 Thread Ross
PS. One thing that really would be a useful extension of ZFS for this would be the ability to mirror a raid-z volume. I know it's not in the spec, does anybody know if this is even vaguely possible or whether there's an RFE for this kind of functionality? -- This message posted from opensolar

Re: [zfs-discuss] Using zfs mirror as a simple backup mechanism for time-slider.

2008-12-16 Thread Ross
Does 1. really need to be fixed? I ask this since I imagine there will be some resistance from the ZFS team to essentially breaking the spec for the sake of not confusing some users. I would argue that anybody who knows enough to run "zpool status" is also capable of learning what a mirror is a

Re: [zfs-discuss] ZFS and aging

2008-12-16 Thread Johan Hartzenberg
On Mon, Dec 15, 2008 at 7:57 PM, Thanos McAtos wrote: > Hello all. > > I'm doing a course project to evaluate recovery time of RAID-Z. > > One of my tests is to examine the impact of aging on recovery speed. > > I've used PostMark to stress the file-system but I didn't observe any > noticeable sl