Re: [zfs-discuss] ZFS backup configuration

On Wed, Mar 24, 2010 at 4:00 PM, Khyron wrote: > Yes, I think Eric is correct. > > Funny, this is an adjunct to the thread I started entitled "Thoughts on ZFS > Pool > Backup Strategies". I was going to include this point in that thread but > thought > better of it. > > It would be nice if there

Re: [zfs-discuss] ZFS on a 11TB HW RAID-5 controller

Fajar A. Nugraha wrote: On Thu, Mar 25, 2010 at 10:31 AM, Carson Gaspar wrote: Fajar A. Nugraha wrote: You will do best if you configure the raid controller to JBOD. Problem: HP's storage controller doesn't support that mode. It does, ish. It forces you to create a bunch of single disk raid

Re: [zfs-discuss] ZFS on a 11TB HW RAID-5 controller

On Thu, Mar 25, 2010 at 10:31 AM, Carson Gaspar wrote: > Fajar A. Nugraha wrote: >>> You will do best if you configure the raid controller to JBOD. >> >> Problem: HP's storage controller doesn't support that mode. > > It does, ish. It forces you to create a bunch of single disk raid 0 logical > dr

Re: [zfs-discuss] ZFS on a 11TB HW RAID-5 controller

Carson Gaspar wrote: Fajar A. Nugraha wrote: On Thu, Mar 25, 2010 at 1:02 AM, Edward Ned Harvey wrote: I think the point is to say: ZFS software raid is both faster and more reliable than your hardware raid. Surprising though it may be for a newcomer, I have statistics to back that up, Can

Re: [zfs-discuss] ZFS on a 11TB HW RAID-5 controller

Fajar A. Nugraha wrote: On Thu, Mar 25, 2010 at 1:02 AM, Edward Ned Harvey wrote: I think the point is to say: ZFS software raid is both faster and more reliable than your hardware raid. Surprising though it may be for a newcomer, I have statistics to back that up, Can you share it? You w

Re: [zfs-discuss] ZFS on a 11TB HW RAID-5 controller

On Thu, Mar 25, 2010 at 1:02 AM, Edward Ned Harvey wrote: > I think the point is to say:  ZFS software raid is both faster and more > reliable than your hardware raid.  Surprising though it may be for a > newcomer, I have statistics to back that up, Can you share it? > You will do best if you co

Re: [zfs-discuss] ZFS file system confusion

On Wed, Mar 24, 2010 at 6:39 PM, Chris Dunbar wrote: > Thank you for the explanation. It looks like I will have to share out each > file system. I was trying to keep the number of shares manageable, but it > sounds like that won't work. > Thanks to inheritance, it's easier than you think when yo

Re: [zfs-discuss] ZFS file system confusion

Brandon, Thank you for the explanation. It looks like I will have to share out each file system. I was trying to keep the number of shares manageable, but it sounds like that won't work. Regards, Chris On Mar 24, 2010, at 9:36 PM, Brandon High wrote: > 2010/3/24 Chris Dunbar > I have boxed m

Re: [zfs-discuss] ZFS file system confusion

2010/3/24 Chris Dunbar > I have boxed myself into a mental corner and need some help getting out. I > am confused about working with ZFS file systems. Here is a simple example of > what has me confused: Let's say I create the ZFS file system tank/nfs and > share that over NFS. Then I create the Z

[zfs-discuss] ZFS file system confusion

Hello, I have boxed myself into a mental corner and need some help getting out. I am confused about working with ZFS file systems. Here is a simple example of what has me confused: Let's say I create the ZFS file system tank/nfs and share that over NFS. Then I create the ZFS file systems tank/n

Re: [zfs-discuss] snapshots as versioning tool

> OOps, I may have looked at the wrong bart. I think he meant this BART: http://blogs.sun.com/gbrunett/entry/automating_solaris_10_file_integrity I'm going to make one quick comment about this, despite better judgment to probably keep quiet. I don't think anyone should use ZFS as a VCS like Subv

Re: [zfs-discuss] ZFS on a 11TB HW RAID-5 controller

On Wed, Mar 24, 2010 at 08:02:06PM +0100, Svein Skogen wrote: > Maybe someone should look at implementing the zfs code for the XScale > range of io-processors (such as the IOP333)? NetBSD runs on (many of) those. NetBSD has an (in-progress, still-some-issues) ZFS port. Hopefully they will converg

Re: [zfs-discuss] snapshots as versioning tool

Harry Putnam writes: > At just a quick read, it really just sounds like rsync, after its been in a > severe wreck and was badly crippled. OOps, I may have looked at the wrong bart. One of the first hits google turned up was: http://www.zhornsoftware.co.uk/bart/index.html But I think maybe

Re: [zfs-discuss] snapshots as versioning tool

Brandon High writes: > Someone pointed out that you can use bart, but that also scans the > directories. It might do what you want, but it doesn't work at the zpool / > zfs level, just at the file level layer. Apparently I missed any suggestion about bart, but looking it up just now, I guess may

Re: [zfs-discuss] ZFS backup configuration

Yes, I think Eric is correct. Funny, this is an adjunct to the thread I started entitled "Thoughts on ZFS Pool Backup Strategies". I was going to include this point in that thread but thought better of it. It would be nice if there were an easy way to extract a pool configuration, with all of th

Re: [zfs-discuss] Pool vdev imbalance - getting worse?

On 02/28/10 08:09 PM, Ian Collins wrote: I was running zpool iostat on a pool comprising a stripe of raidz2 vdevs that appears to be writing slowly and I notice a considerable imbalance of both free space and write operations. The pool is currently feeding a tape backup while receiving a large

Re: [zfs-discuss] ZFS backup configuration

On Wed, Mar 24 at 12:20, Wolfraider wrote: Sorry if this has been dicussed before. I tried searching but I couldn't find any info about it. We would like to export our ZFS configurations in case we need to import the pool onto another box. We do not want to backup the actual data in the zfs pool,

[zfs-discuss] ZFS backup configuration

Sorry if this has been dicussed before. I tried searching but I couldn't find any info about it. We would like to export our ZFS configurations in case we need to import the pool onto another box. We do not want to backup the actual data in the zfs pool, that is already handled through another p

Re: [zfs-discuss] ZFS on a 11TB HW RAID-5 controller

-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 On 24.03.2010 19:53, Karl Rossing wrote: > On 03/24/10 12:54, Richard Elling wrote: >> >> Nothing prevents a clever chap from building a ZFS-based array controller >> which includes nonvolatile write cache. > > +1 to that. Something that is inexpensi

Re: [zfs-discuss] To reserve space

On Wed, March 24, 2010 14:36, Edward Ned Harvey wrote: > The question is not how to create quotas for users. > > The question is how to create reservations for users. There is currently no way to do per-user reservations. That ZFS property is only available per-file system. Even per-user and per

Re: [zfs-discuss] ZFS on a 11TB HW RAID-5 controller

On 03/24/10 12:54, Richard Elling wrote: Nothing prevents a clever chap from building a ZFS-based array controller which includes nonvolatile write cache. +1 to that. Something that is inexpensive and small (4GB?) and works in a PCI express slot. CONFIDENTIALITY NOTICE: This communicati

Re: [zfs-discuss] To reserve space

The question is not how to create quotas for users. The question is how to create reservations for users. One way to create a reservation for a user is to create a quota for everyone else, but that's a little less manageable, so a reservation per-user would be cleaner and more desirable.

Re: [zfs-discuss] ZFS Dedup Performance

> "srbi" == Steve Radich, BitShop, Inc writes: srbi> http://www.bitshop.com/Blogs/tabid/95/EntryId/78/Bug-in-OpenSolaris-SMB-Server-causes-slow-disk-i-o-always.aspx I'm having trouble understanding many things in here like ``our file move'' (moving what from where to where with what proto

Re: [zfs-discuss] ZFS on a 11TB HW RAID-5 controller

> > Which is why ZFS isn't a replacement for proper array controllers > (defining proper as those with sufficient battery to leave you with a > seemingly intact filesystem), but a very nice augmentation for them. ;) > > Nothing prevents a clever chap from building a ZFS-based array > controller >

Re: [zfs-discuss] To reserve space

On Wed, Mar 24, 2010 at 11:18 AM, Edward Ned Harvey wrote: > Out of curiosity, the more general solution would be the ability to create > a > reservation on a per-user or per-group basis (just like you create quotas > on > a per-user or per-group basis). Is this possible? > OpenSolaris's zfs has

Re: [zfs-discuss] Moving drives around...

On Wed, Mar 24, 2010 at 10:47:27AM -0700, Russ Price wrote: > > On Tue, March 23, 2010 12:00, Ray Van Dolson wrote: > > ZFS recognizes disks based on various ZFS special > > blocks written to them. > > It also keeps a cache file on where things have been > > lately. If you > > export a ZFS pool,

Re: [zfs-discuss] To reserve space

> > zfs set reservation=100GB dataset/name > > > > That will reserve 100 GB of space for the dataset, and will make that > > space unavailable to the rest of the pool. > > That doesn't make any sense to me ... > > How does that allow "subversionuser" to use the space, and block > "joeuser" from u

Re: [zfs-discuss] To reserve space

> zfs set reservation=100GB dataset/name > > That will reserve 100 GB of space for the dataset, and will make that > space unavailable to the rest of the pool. That doesn't make any sense to me ... How does that allow "subversionuser" to use the space, and block "joeuser" from using it? _

Re: [zfs-discuss] ZFS on a 11TB HW RAID-5 controller

> Thank you all for your valuable experience and fast replies. I see your > point and will create one virtual disk for the system and one for the > storage pool. My RAID controller is battery backed up, so I'll leave > write caching on. I think the point is to say: ZFS software raid is both faste

Re: [zfs-discuss] To reserve space

On Wed, Mar 24, 2010 at 10:52 AM, Edward Ned Harvey wrote: > Is there a way to reserve space for a particular user or group? Or > perhaps to set a quota for a group which includes everyone else? > > I have one big pool, which holds users’ home directories, and also the > backend files for the sv

Re: [zfs-discuss] ZFS on a 11TB HW RAID-5 controller

On Mar 24, 2010, at 10:05 AM, Svein Skogen wrote: > On 24.03.2010 17:42, Richard Elling wrote: >> Nonvolatile write caches are not a problem. > > Which is why ZFS isn't a replacement for proper array controllers (defining > proper as those with sufficient battery to leave you with a seemingly in

[zfs-discuss] To reserve space

Is there a way to reserve space for a particular user or group? Or perhaps to set a quota for a group which includes everyone else? I have one big pool, which holds users' home directories, and also the backend files for the svn repositories etc. I would like to ensure the svn server process

Re: [zfs-discuss] Moving drives around...

> On Tue, March 23, 2010 12:00, Ray Van Dolson wrote: > ZFS recognizes disks based on various ZFS special > blocks written to them. > It also keeps a cache file on where things have been > lately. If you > export a ZFS pool, swap the physical drives around, > and import it, > everything should be

Re: [zfs-discuss] LSISAS2004 support

Loaded mpt_sas, world of difference, thanks. Then I yanked a drive out of the hot plug backplane to see what would happened. My ZPOOL detects an IO failure and runs in degraded mode. All good, pop the drive back in, but a zpool replace appears not sufficient. (This works with the 1068E/mpt driv

Re: [zfs-discuss] ZFS on a 11TB HW RAID-5 controller

On 24.03.2010 17:42, Richard Elling wrote: Nonvolatile write caches are not a problem. Which is why ZFS isn't a replacement for proper array controllers (defining proper as those with sufficient battery to leave you with a seemingly intact filesystem), but a very nice augmentation for them. ;

Re: [zfs-discuss] ZFS on a 11TB HW RAID-5 controller

On Mar 24, 2010, at 9:14 AM, Karl Rossing wrote: > I believe that write caching is turned off on the boot drives or is it the > controller or both? By default, ZFS will not enable volatile write caches on disks for SMI labeled disk drives (eg boot). > Which could be a big problem. Actually, it

Re: [zfs-discuss] Fwd: Re: ZFS on a 11TB HW RAID-5 controller

Thank you for your advice. I see your point and will create one virtual disk for the system and one for the storage pool. My RAID controller is battery backed up, so I'll leave write caching on. Thanks again, Dusan -- This message posted from opensolaris.org

Re: [zfs-discuss] ZFS on a 11TB HW RAID-5 controller

Thank you all for your valuable experience and fast replies. I see your point and will create one virtual disk for the system and one for the storage pool. My RAID controller is battery backed up, so I'll leave write caching on. Thanks again, Dusan -- This message posted from opensolaris.org __

Re: [zfs-discuss] CR 6880994 and pkg fix

On Mar 23, 2010, at 11:21 PM, Daniel Carosone wrote: > On Tue, Mar 23, 2010 at 07:22:59PM -0400, Frank Middleton wrote: >> On 03/22/10 11:50 PM, Richard Elling wrote: >> >>> Look again, the checksums are different. >> >> Whoops, you are correct, as usual. Just 6 bits out of 256 different... >>

Re: [zfs-discuss] ZFS on a 11TB HW RAID-5 controller

I believe that write caching is turned off on the boot drives or is it the controller or both? Which could be a big problem. On 03/24/10 11:07, Tim Cook wrote: On Wed, Mar 24, 2010 at 11:01 AM, Dusan Radovanovic > wrote: Hello all, I am a complete newbie

[zfs-discuss] Fwd: Re: ZFS on a 11TB HW RAID-5 controller

-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 Forgot to cc the list, well here goes... - Original Message Subject: Re: [zfs-discuss] ZFS on a 11TB HW RAID-5 controller Date: Wed, 24 Mar 2010 17:10:58 +0100 From: Svein Skogen To: Dusan Radovanovic On 24.03.2010 17:01, Dusan Ra

Re: [zfs-discuss] ZFS on a 11TB HW RAID-5 controller

Hi On Wednesday 24 March 2010 17:01:31 Dusan Radovanovic wrote: > connected to P212 controller in RAID-5. Could someone direct me or suggest > what I am doing wrong. Any help is greatly appreciated. > I don't know, but I would get around this like this: My suggestion would be to configure th

Re: [zfs-discuss] ZFS on a 11TB HW RAID-5 controller

On Wed, Mar 24, 2010 at 11:01 AM, Dusan Radovanovic wrote: > Hello all, > > I am a complete newbie to OpenSolaris, and must to setup a ZFS NAS. I do > have linux experience, but have never used ZFS. I have tried to install > OpenSolaris Developer 134 on a 11TB HW RAID-5 virtual disk, but after the

[zfs-discuss] ZFS on a 11TB HW RAID-5 controller

Hello all, I am a complete newbie to OpenSolaris, and must to setup a ZFS NAS. I do have linux experience, but have never used ZFS. I have tried to install OpenSolaris Developer 134 on a 11TB HW RAID-5 virtual disk, but after the installation I can only use one 2TB disk, and I cannot partition

Re: [zfs-discuss] Thoughts on ZFS Pool Backup Strategies

On Wed, March 24, 2010 10:36, Joerg Schilling wrote: >> > - A public interface to get the property state >> >> That would come from libzfs. There are private interfaces just now that >> are very likely what you need zfs_prop_get()/zfs_prop_set(). They aren't >> documented or public though and ar

Re: [zfs-discuss] Thoughts on ZFS Pool Backup Strategies

Darren J Moffat wrote: > > You cannot get a single file out of the zfs send datastream. > > I don't see that as part of the definition of a backup - you obviously > do - so we will just have to disagree on that. If you need to set up a file server of the same size as the original one in order

Re: [zfs-discuss] CR 6880994 and pkg fix

you could also use psradm to take a CPU off-line. At boot I would ??assume?? the system boots the same way every time unless something changes, so you could be hiting the came CPU core every time or the same bit of RAM until booted fully. Or even run SunVTS "Validation Test Suite" which I beliv

Re: [zfs-discuss] CR 6880994 and pkg fix

-BEGIN PGP SIGNED MESSAGE- Hash: SHA1 How about running memtest86+ (http://www.memtest.org/) on the machine for a while? It doesn't test the arithmetics on the CPU very much, but it stresses data paths quite a lot. Just a quick suggestion... - -- Saso Damon Atkins wrote: > You could try

Re: [zfs-discuss] CR 6880994 and pkg fix

You could try copying the file to /tmp (ie swap/ram) and do a continues loop of checksums e.g. while [ ! -f ibdlpi.so.1.x ] ; do sleep 1; cp libdlpi.so.1 libdlpi.so.1.x ; A="`sha512sum -b libdlpi.so.1.x`" ; [ "$A" == "what it should be libdlpi.so.1.x" ] && rm libdlpi.so.1.x ; done ; date Ass