Re: [zfs-discuss] ZFS Pool, what happen when disk failure

2010-04-25 Thread Edward Ned Harvey
From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss- boun...@opensolaris.org] On Behalf Of Robert Milkowski On 24/04/2010 13:51, Edward Ned Harvey wrote: But what you might not know: If any pool fails, the system will crash. This actually depends on the failmode property

Re: [zfs-discuss] ZFS RAID-Z2 degraded vs RAID-Z1

2010-04-25 Thread Edward Ned Harvey
From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss- boun...@opensolaris.org] On Behalf Of Peter Tripp here, I'll swap it in for the sparse file and let it resilver. Can someone with a stronger understanding of ZFS tell me why a degraded RaidZ2 (minus one disk) is less efficient

Re: [zfs-discuss] Making ZFS better: zfshistory

2010-04-25 Thread Edward Ned Harvey
From: Richard Elling [mailto:richard.ell...@gmail.com] Sent: Saturday, April 24, 2010 10:43 AM Nope. That discussion seems to be concluded now. And the netapp does not have the problem that was suspected. I do not recall reaching that conclusion. I think the definition of the

Re: [zfs-discuss] Making ZFS better: zfshistory

2010-04-25 Thread Edward Ned Harvey
From: Ragnar Sundblad [mailto:ra...@csc.kth.se] Sent: Saturday, April 24, 2010 5:18 PM To answer the question you linked to: .shapshot/snapname.0/a/b/c/d.txt from the top of the filesystem a/.snapshot/snapname.0/b/c/d.txt a/e/.shapshot/snapname.0/c/d.txt

Re: [zfs-discuss] Making ZFS better: zfshistory

2010-04-25 Thread Edward Ned Harvey
From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss- boun...@opensolaris.org] On Behalf Of Freddie Cash From the sounds of it, the .snapshot directory is just a pointer to the corresponding directory in the actual snapshot tree. The snapshots are not actually saved per-directory.

Re: [zfs-discuss] Making ZFS better: zfshistory

2010-04-25 Thread Edward Ned Harvey
From: Richard Elling [mailto:richard.ell...@gmail.com] Sent: Saturday, April 24, 2010 7:42 PM Next, mv /a/e /a/E ls -l a/e/.snapshot/snaptime ENOENT? ls -l a/E/.snapshot/snapname/d.txt this should be ENOENT because d.txt did not exist in a/E at snaptime.

Re: [zfs-discuss] ZFS Pool, what happen when disk failure

2010-04-25 Thread Robert Milkowski
On 25/04/2010 13:08, Edward Ned Harvey wrote: The system should boot-up properly even if some pools are not accessible (except rpool of course). If it is not the case then there is a bug - last time I checked it worked perfectly fine. This may be different in the latest opensolaris, but

Re: [zfs-discuss] Disk/Partition replacement - do partition begin/end/offsets matter?

2010-04-25 Thread Chris Gerhard
One of my pools (backup pool) has a disk which I suspect may be going south. I have a replacement disk of the same size. The original pool was using one of the partitions towards the end of the disk. I want to move the partition to the beginning of the disk on the new disk. Does ZFS

Re: [zfs-discuss] Making ZFS better: zfshistory

2010-04-25 Thread Richard Elling
On Apr 25, 2010, at 5:45 AM, Edward Ned Harvey wrote: From: Richard Elling [mailto:richard.ell...@gmail.com] Sent: Saturday, April 24, 2010 7:42 PM Next, mv /a/e /a/E ls -l a/e/.snapshot/snaptime ENOENT? ls -l a/E/.snapshot/snapname/d.txt this should be ENOENT

Re: [zfs-discuss] Help:Is zfs-fuse's performance is not good

2010-04-25 Thread Tonmaus
I wonder if this is the right place to ask, as the Filesystem in User Space implementation is a separate project. In Solaris ZFS runs in kernel. FUSE implementations are slow, no doubt. Same goes for other FUSE implementations, such as for NTFS. Regards, Tonmaus -- This message posted from

Re: [zfs-discuss] ZFS Pool, what happen when disk failure

2010-04-25 Thread Ian Collins
On 04/26/10 12:08 AM, Edward Ned Harvey wrote: [why do you snip attributions?] On 04/26/10 01:45 AM, Robert Milkowski wrote: The system should boot-up properly even if some pools are not accessible (except rpool of course). If it is not the case then there is a bug - last time I checked it

Re: [zfs-discuss] Mac OS X clients with ZFS server

2010-04-25 Thread Rich Teer
On Thu, 22 Apr 2010, Mike Mackovitch wrote: Oh, and the kernel.log should at least have the lockd not responding messages in it. So, I presume you meant nothing *else* interesting. I think it's time to look at the packets... I'll double check later (my wife is currently using the lpatop).

Re: [zfs-discuss] Mac OS X clients with ZFS server

2010-04-25 Thread Rich Teer
On Fri, 23 Apr 2010, Alex Blewitt wrote: For your information, the ZFS project lives (well, limps really) on at http://code.google.com/p/mac-zfs. You can get ZFS for Snow Leopard from there and we're working on moving forwards from the ancient pool support to something more recent.

Re: [zfs-discuss] Mac OS X clients with ZFS server

2010-04-25 Thread Andrew Kener
The correct URL is: http://code.google.com/p/maczfs/ -Original Message- From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss-boun...@opensolaris.org] On Behalf Of Rich Teer Sent: Sunday, April 25, 2010 7:11 PM To: Alex Blewitt Cc: ZFS discuss Subject: Re: [zfs-discuss] Mac OS X

[zfs-discuss] Thoughts on drives for ZIL/L2ARC?

2010-04-25 Thread Travis Tabbal
I have a few old drives here that I thought might help me a little, though not at much as a nice SSD, for those uses. I'd like to speed up NFS writes, and there have been some mentions that even a decent HDD can do this, though not to the same level a good SSD will. The 3 drives are older LVD

Re: [zfs-discuss] Mac OS X clients with ZFS server

2010-04-25 Thread Dave Pooser
On 4/25/10 6:07 PM, Rich Teer rich.t...@rite-group.com wrote: Sounds fair enough! Let's move this to email; meanwhile, what's the packet sniffing incantation I need to use? On Solaris I'd use snoop, but I don't htink Mac OS comes with that! Use Wireshark (formerly Ethereal); works great for

Re: [zfs-discuss] Mac OS X clients with ZFS server

2010-04-25 Thread Dave Pooser
On 4/25/10 6:11 PM, Rich Teer rich.t...@rite-group.com wrote: I tried going to that URL, but got a 404 error... :-( What's the correct one, please? http://code.google.com/p/maczfs/ -- Dave Pooser, ACSA Manager of Information Services Alford Media http://www.alfordmedia.com

[zfs-discuss] SAS vs SATA: Same size, same speed, why SAS?

2010-04-25 Thread Dave Pooser
I'm building another 24-bay rackmount storage server, and I'm considering what drives to put in the bays. My chassis is a Supermicro SC846A, so the backplane supports SAS or SATA; my controllers are LSI3081E, again supporting SAS or SATA. Looking at drives, Seagate offers an enterprise

Re: [zfs-discuss] Thoughts on drives for ZIL/L2ARC?

2010-04-25 Thread Haudy Kazemi
Travis Tabbal wrote: I have a few old drives here that I thought might help me a little, though not at much as a nice SSD, for those uses. I'd like to speed up NFS writes, and there have been some mentions that even a decent HDD can do this, though not to the same level a good SSD will. The

[zfs-discuss] Identifying drives

2010-04-25 Thread Dave Pooser
I have one storage server with 24 drives, spread across three controllers and split into three RAIDz2 pools. Unfortunately, I have no idea which bay holds which drive. Fortunately, this server is used for secondary storage so I can take it offline for a bit. My plan is to use zpool export to take