[zfs-discuss] terabyte or terror-byte disk drives

2009-02-07 Thread Al Hopper
This is one of these "Doctor - it hurts when I ..." and the Doctor says "then don't do that" stories. Basically I installed a couple of 1Tb WD Black Caviar drives in a Sun x2200M2 1U server in a ZFS mirrored boot config - excellent drives - much faster than previous 7,200 RPM drives and the dual c

Re: [zfs-discuss] Nested ZFS file systems are not visible over an NFS export

2009-02-07 Thread Richard Elling
This is not a ZFS question. It is an NFS question. For Solaris NFSv4 clients post-b77, they will follow the mounts, via a method called "mirror mounts." For other NFS clients, the behaviour will be that which the developers implemented. Please consult the appropriate NFS client forum for your sys

Re: [zfs-discuss] [cifs-discuss] Permissions / ACL setting for top directory of CIFS export

2009-02-07 Thread Afshin Salek
David Dyer-Bennet wrote: > On Sat, February 7, 2009 14:32, Alan.M.Wright wrote: Also, does this end up taking up extra metadata space compared to not having to have an ACL entry for each file? >> No, ZFS only stores ACLs. It doesn't have or store a separate >> representation of the UNIX

Re: [zfs-discuss] [cifs-discuss] Permissions / ACL setting for top directory of CIFS export

2009-02-07 Thread David Dyer-Bennet
On Sat, February 7, 2009 14:32, Alan.M.Wright wrote: >>> Also, does this end up taking up extra metadata space compared to not >>> having to have an ACL entry for each file? > > No, ZFS only stores ACLs. It doesn't have or store a separate > representation of the UNIX permissions bits. So I won'

Re: [zfs-discuss] A question on "non-consecutive disk failures"

2009-02-07 Thread Peter Tribble
On Sat, Feb 7, 2009 at 6:34 PM, Sriram Narayanan wrote: > >From the presentation "ZFS - The last word in filesystems", Page 22 >"In a multi-disk pool, ZFS survives any non-consecutive disk failures" > > Questions: > If I have a 3 disk RAIDZ with disks A, B and C, then: > - if disk b fails,

Re: [zfs-discuss] A question on "non-consecutive disk failures"

2009-02-07 Thread Frank Cusack
On February 8, 2009 12:04:22 AM +0530 Sriram Narayanan wrote: >> From the presentation "ZFS - The last word in filesystems", Page 22 > "In a multi-disk pool, ZFS survives any non-consecutive disk failures" > > Questions: > If I have a 3 disk RAIDZ with disks A, B and C, then: > - if disk b

Re: [zfs-discuss] Alternatives to increading the number of copies on a ZFS snapshot

2009-02-07 Thread Mattias Pantzare
On Sat, Feb 7, 2009 at 19:33, Sriram Narayanan wrote: > How do I set the number of copies on a snapshot ? Based on the error > message, I believe that I cannot do so. >I already have a number of clones based on this snapshot, and would > like the snapshot to have more copies now. >

Re: [zfs-discuss] Nested ZFS file systems are not visible over an NFS export

2009-02-07 Thread Sriram Narayanan
An update: I'm using VMWare ESX 3.5 and VMWare ESXi 3.5 as the NFS clients. I'm use zfs set sharenfs=on datapool/vmwarenfs to make that zfs file system accessible over NFS. -- Sriram On Sun, Feb 8, 2009 at 12:07 AM, Sriram Narayanan wrote: > Hello: > > I have the following zfs structure > datap

[zfs-discuss] A question on "non-consecutive disk failures"

2009-02-07 Thread Sriram Narayanan
>From the presentation "ZFS - The last word in filesystems", Page 22 "In a multi-disk pool, ZFS survives any non-consecutive disk failures" Questions: If I have a 3 disk RAIDZ with disks A, B and C, then: - if disk b fails, then will I be able to continue to read data if disks A and C are

[zfs-discuss] Alternatives to increading the number of copies on a ZFS snapshot

2009-02-07 Thread Sriram Narayanan
How do I set the number of copies on a snapshot ? Based on the error message, I believe that I cannot do so. I already have a number of clones based on this snapshot, and would like the snapshot to have more copies now. For higher redundancy and peace of mind, what alternatives do I

Re: [zfs-discuss] Solved - a big THANKS to Victor Latushkin @ Sun / Moscow

2009-02-07 Thread Gino
> FYI, I'm working on a workaround for broken devices. > As you note, > ome disks flat-out lie: you issue the > synchronize-cache command, > they say "got it, boss", yet the data is still not on > stable storage. > Why do they do this? Because "it performs better". > Well, duh -- > ou can make s

Re: [zfs-discuss] Should I report this as a bug?

2009-02-07 Thread Kees Nuyt
On Wed, 04 Feb 2009 11:12:55 -0500, Kyle McDonald wrote: >I jumpstarted my machine with sNV b106, and installed with ZFS root/boot. >It left me at a shell prompt in the JumpStart environment, with my ZFS >root on /a. > >I wanted to try out some things that I planned on scripting for the >JumpSt

Re: [zfs-discuss] zpool list vs zfs list, size differs...

2009-02-07 Thread Johan Andersson
Tomas Ögren wrote: On 07 February, 2009 - Johan Andersson sent me these 1,5K bytes: Hi, New to OpenSolaris and ZFS... Wondering about a size difference I see on my newly installed OpenSolaris system, Homebuilt AMD Phenom system with SATA3 disks... [code] jo...@krynn:~$ zpool list NAME SI

Re: [zfs-discuss] zpool list vs zfs list, size differs...

2009-02-07 Thread Tomas Ögren
On 07 February, 2009 - Johan Andersson sent me these 1,5K bytes: > Hi, > > New to OpenSolaris and ZFS... > Wondering about a size difference I see on my newly installed > OpenSolaris system, Homebuilt AMD Phenom system with SATA3 disks... > > [code] > jo...@krynn:~$ zpool list > NAME SIZE USED

[zfs-discuss] zpool list vs zfs list, size differs...

2009-02-07 Thread Johan Andersson
Hi, New to OpenSolaris and ZFS... Wondering about a size difference I see on my newly installed OpenSolaris system, Homebuilt AMD Phenom system with SATA3 disks... [code] jo...@krynn:~$ zpool list NAME SIZE USED AVAIL CAP HEALTH ALTROOT rpool 696G 7.67G 688G 1% ONLINE - zpool 2.72T 135K 2.72T 0%