Re: [zfs-discuss] snapdir visable recursively throughout a dataset

2007-02-06 Thread Darren J Moffat
Ben Rockwood wrote: Robert Milkowski wrote: I haven't tried it but what if you mounted ro via loopback into a zone /zones/myzone01/root/.zfs is loop mounted in RO to /zones/myzone01/.zfs That is so wrong. ;) Besides just being evil, I doubt it'd work. And if it does, it

Re: [zfs-discuss] snapdir visable recursively throughout a dataset

2007-02-06 Thread Ben Rockwood
Darren J Moffat wrote: Ben Rockwood wrote: Robert Milkowski wrote: I haven't tried it but what if you mounted ro via loopback into a zone /zones/myzone01/root/.zfs is loop mounted in RO to /zones/myzone01/.zfs That is so wrong. ;) Besides just being evil, I doubt it'd

Re[2]: [zfs-discuss] snapdir visable recursively throughout a dataset

2007-02-06 Thread Robert Milkowski
Hello Ben, Tuesday, February 6, 2007, 10:19:54 AM, you wrote: BR Darren J Moffat wrote: Ben Rockwood wrote: Robert Milkowski wrote: I haven't tried it but what if you mounted ro via loopback into a zone /zones/myzone01/root/.zfs is loop mounted in RO to /zones/myzone01/.zfs That is

[zfs-discuss] se3510 and ZFS

2007-02-06 Thread Robert Milkowski
Hello zfs-discuss, It looks like when zfs issues write cache flush commands se3510 actually honors it. I do not have right now spare se3510 to be 100% sure but comparing nfs/zfs server with se3510 to another nfs/ufs server with se3510 with Periodic Cache Flush Time set to disable or so

Re: [zfs-discuss] se3510 and ZFS

2007-02-06 Thread Robert Milkowski
Hello Robert, Tuesday, February 6, 2007, 12:55:19 PM, you wrote: RM Hello zfs-discuss, RM It looks like when zfs issues write cache flush commands se3510 RM actually honors it. I do not have right now spare se3510 to be 100% RM sure but comparing nfs/zfs server with se3510 to another

Re: [zfs-discuss] se3510 and ZFS

2007-02-06 Thread Jonathan Edwards
On Feb 6, 2007, at 06:55, Robert Milkowski wrote: Hello zfs-discuss, It looks like when zfs issues write cache flush commands se3510 actually honors it. I do not have right now spare se3510 to be 100% sure but comparing nfs/zfs server with se3510 to another nfs/ufs server with se3510

Re[2]: [zfs-discuss] se3510 and ZFS

2007-02-06 Thread Robert Milkowski
Hello Jonathan, Tuesday, February 6, 2007, 5:00:07 PM, you wrote: JE On Feb 6, 2007, at 06:55, Robert Milkowski wrote: Hello zfs-discuss, It looks like when zfs issues write cache flush commands se3510 actually honors it. I do not have right now spare se3510 to be 100% sure but

Re: [storage-discuss] Re[2]: [zfs-discuss] se3510 and ZFS

2007-02-06 Thread eric kustarz
IIRC Bill posted here some tie ago saying the problem with write cache on the arrays is being worked on. Yep, the bug is: 6462690 sd driver should set SYNC_NV bit when issuing SYNCHRONIZE CACHE to SBC-2 devices We have a case going through PSARC that will make things works correctly with

Re: Re[2]: [zfs-discuss] se3510 and ZFS

2007-02-06 Thread Jonathan Edwards
On Feb 6, 2007, at 11:46, Robert Milkowski wrote: Does anybody know how to tell se3510 not to honor write cache flush commands? JE I don't think you can .. DKIOCFLUSHWRITECACHE *should* tell the array JE to flush the cache. Gauging from the amount of calls that zfs makes to JE

Re: [zfs-discuss] boot disks controller layout...

2007-02-06 Thread ozan s. yigit
ah, good stuff. thanks. oz Richard Elling [in response to my question] wrote: ozan s. yigit wrote: ... is there any reason why factory install comes with C5T0 and C5T4? a limitation of the bios or some other reason i am missing? (i may need to RTFM harder... :) BIOS limitation.

Re[2]: [storage-discuss] Re[2]: [zfs-discuss] se3510 and ZFS

2007-02-06 Thread Robert Milkowski
Hello eric, Tuesday, February 6, 2007, 5:55:23 PM, you wrote: IIRC Bill posted here some tie ago saying the problem with write cache on the arrays is being worked on. ek Yep, the bug is: ek 6462690 sd driver should set SYNC_NV bit when issuing SYNCHRONIZE ek CACHE to ek SBC-2 devices

Re[2]: [zfs-discuss] Re: ZFS volume is hosing BIOS POST on Ultra20 (BIOS 2.1.7)

2007-02-06 Thread Robert Milkowski
Hello Casper, Monday, January 22, 2007, 2:56:16 PM, you wrote: Is there an BIOS uptade for Ultra20 to make it understand EFI? CDSC Understanding EFI is perhaps asking too much; but I believe the CDSC latest BIOS no longer hangs/crashes when it encountered EFI labels CDSC on disks it examines.

Re: [zfs-discuss] Meta data corruptions on ZFS.

2007-02-06 Thread dudekula mastan
Hi All, No one has any idea on this ? -Masthan dudekula mastan [EMAIL PROTECTED] wrote: Hi All, In my test set up, I have one zpool of size 1000M bytes. On this zpool, my application writes 100 files each of size 10 MB. First 96 files were written successfully

Re: [storage-discuss] Re[2]: [zfs-discuss] se3510 and ZFS

2007-02-06 Thread Neil Perrin
Robert Milkowski wrote On 02/06/07 11:43,: Hello eric, Tuesday, February 6, 2007, 5:55:23 PM, you wrote: IIRC Bill posted here some tie ago saying the problem with write cache on the arrays is being worked on. ek Yep, the bug is: ek 6462690 sd driver should set SYNC_NV bit when issuing

[zfs-discuss] The ZFS MOS and how DNODES are stored

2007-02-06 Thread Bill Moloney
ZFS documentation lists snapshot limits on any single file system in a pool at 2**48 snaps, and that seems to logically imply that a snap on a file system does not require an update to the pool’s currently active uberblock. That is to say, that if we take a snapshot of a file system in a pool,

Re: Re[2]: [storage-discuss] Re[2]: [zfs-discuss] se3510 and ZFS

2007-02-06 Thread eric kustarz
On Feb 6, 2007, at 10:43 AM, Robert Milkowski wrote: Hello eric, Tuesday, February 6, 2007, 5:55:23 PM, you wrote: IIRC Bill posted here some tie ago saying the problem with write cache on the arrays is being worked on. ek Yep, the bug is: ek 6462690 sd driver should set SYNC_NV bit

[zfs-discuss] Re: solaris - ata over ethernet - zfs - HPC

2007-02-06 Thread roland
We've considered looking at porting the AOE _server_ module to Solaris, especially since the Solaris loopback driver (/dev/lofi) is _much_ more stable than the loopback module in Linux (the Linux loopback module is a stellar piece of crap). ok, it`s quite old and probably not the most elegant

[zfs-discuss] Re: solaris - ata over ethernet - zfs - HPC

2007-02-06 Thread Wes Felter
Kevin Abbey wrote: Does this seem like a good idea? I am not a storage expert and am attempting to create a scalable distributed storage cluster for an HPC cluster. An AOE/ZFS/NFS setup doesn't sound scalable or distributed; your ZFS/NFS server may turn out to be a bottleneck. Wes

Re: [zfs-discuss] VxVM volumes in a zpool.

2007-02-06 Thread Mike Gerdts
On 1/18/07, Tan Shao Yi [EMAIL PROTECTED] wrote: Hi, Was wondering if anyone had experience working with VxVM volumes in a zpool. We are using VxVM 5.0 on a Solaris 10 11/06 box. The volume is on a SAN, with two FC HBAs connected to a fabric. The setup works, but we observe a very strange

Re: [zfs-discuss] Re: Limit ZFS Memory Utilization

2007-02-06 Thread Sanjeev Bagewadi
Richard, Richard L. Hamilton wrote: If I understand correctly, at least some systems claim not to guarantee consistency between changes to a file via write(2) and changes via mmap(2). But historically, at least in the case of regular files on local UFS, since Solaris used the page cache for

Re: [zfs-discuss] Meta data corruptions on ZFS.

2007-02-06 Thread Sanjeev Bagewadi
Masthan, */dudekula mastan [EMAIL PROTECTED]/* wrote: Hi All, In my test set up, I have one zpool of size 1000M bytes. Is this the size given by zfs list ? Or is the amount of disk space that you had ? The reason I ask this is because ZFS/Zpool takes up some amount of