[zfs-discuss] You're Invited: OpenSolaris Security Summit Nov 3rd

2009-10-05 Thread Jennifer Bauer Scarpino
Just a reminder... Hope to see you there. -Jennifer - To: Developers and Students You are invited to participate in the first OpenSolaris Security Summit OpenSolaris Security Summit Tuesday, November 3rd, 2009 Baltimore Marriott Waterfront 700

Re: [zfs-discuss] Destroying zfs snapshot

2009-10-05 Thread A Darren Dunham
On Mon, Oct 05, 2009 at 02:14:24PM -0700, Mark Horstman wrote: > I have a snapshot that I'd like to destroy: If you have a filesystem and a clone of that filesystem, a snapshot always connects them. You can destroy the snapshot only if there are no clones. -- Darren

Re: [zfs-discuss] Unable to import pool: invalid vdev configuration

2009-10-05 Thread Cindy Swearingen
Hi Osvald, Can you comment on how the disks shrank or how the labeling on these disks changed? We would like to track the issues that causes the hardware underneath a live pool to change so that we can figure out how to prevent pool failures in the future. Thanks, Cindy On 10/03/09 09:46, Osv

Re: [zfs-discuss] Best way to convert checksums

2009-10-05 Thread Toby Thain
On 5-Oct-09, at 3:32 PM, Miles Nordin wrote: "bm" == Brandon Mercer writes: I'm now starting to feel that I understand this issue, and I didn't for quite a while. And that I understand the risks better, and have a clearer idea of what the possible fixes are. And I didn't before. haha, y

Re: [zfs-discuss] "Hot Space" vs. hot spares

2009-10-05 Thread Brandon High
Replying to a few folks in a digest format, because I'm lazy and don't have that much to say. On Wed, Sep 30, 2009 at 5:53 PM, Tim Cook wrote: > What are you hoping to accomplish?  You're still going to need a drives > worth of free space, and if you're so performance strapped that one drive > ma

Re: [zfs-discuss] Destroying zfs snapshot

2009-10-05 Thread Mark Horstman
Sorry. My environment: # uname -a SunOS xx 5.10 Generic_141414-10 sun4v sparc SUNW,SPARC-Enterprise-T5220 -- This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listin

[zfs-discuss] Destroying zfs snapshot

2009-10-05 Thread Mark Horstman
I have a snapshot that I'd like to destroy: # zfs list rpool/ROOT/be200909160...@200909160720 NAME USED AVAIL REFER MOUNTPOINT rpool/ROOT/be200909160...@200909160720 1.88G - 4.18G - But when I try it warns me of dependent clones: # zfs destroy rpool

Re: [zfs-discuss] Best way to convert checksums

2009-10-05 Thread Ray Clark
Richard, The sub-threads being woven with a couple of other people are very important, though they are not my immediate issue. I really don't think you need us debating with *you* about this - I think you could argue our point also. What we need to get across is a perspective. I am pretty su

Re: [zfs-discuss] Best way to convert checksums

2009-10-05 Thread Miles Nordin
> "vl" == Victor Latushkin writes: vl> It changes setting of checksum=on to mean "fletcher4" oh, good. so it is only the ZIL that's unfixed? At least that fix could come from a simple upgrade, if it ever gets fixed. pgp0027QlEfr3.pgp Description: PGP signature ___

Re: [zfs-discuss] Best way to convert checksums

2009-10-05 Thread Miles Nordin
> "bm" == Brandon Mercer writes: >> I'm now starting to feel that I understand this issue, >> and I didn't for quite a while.  And that I understand the >> risks better, and have a clearer idea of what the possible >> fixes are.  And I didn't before. haha, yes, I think I can

Re: [zfs-discuss] .zfs snapshots on subdirectories?

2009-10-05 Thread Brandon High
On Sun, Oct 4, 2009 at 3:23 PM, Trevor Pretty wrote: > I think you've taken volume snapshots. I believe you need to make file > system snapshots and each users/username a zfs file system. > Lets play.. Automatic .snapshot directories are a feature of NetApp filers and are pretty nice at times

Re: [zfs-discuss] Best way to convert checksums

2009-10-05 Thread Victor Latushkin
On 05.10.09 23:07, Miles Nordin wrote: "re" == Richard Elling writes: re> As I said before, if the checksum matches, then the data is re> checked for sequence number = previous + 1, the blk_birth == re> 0, and the size is correct. Since this data lives inside the re> block, it

Re: [zfs-discuss] Best way to convert checksums

2009-10-05 Thread Miles Nordin
> "re" == Richard Elling writes: re> As I said before, if the checksum matches, then the data is re> checked for sequence number = previous + 1, the blk_birth == re> 0, and the size is correct. Since this data lives inside the re> block, it is unlikely that a collision would a

Re: [zfs-discuss] raidz failure, trying to recover

2009-10-05 Thread Victor Latushkin
Victor Latushkin wrote: Liam Slusser wrote: Long story short, my cat jumped on my server at my house crashing two drives at the same time. It was a 7 drive raidz (next time ill do raidz2). Long story short - we've been able to get access to data in the pool. This involved finding better old

Re: [zfs-discuss] strange pool disks usage pattern

2009-10-05 Thread Maurilio Longo
Richard, it is the same controller used inside Sun's thumpers; It could be a problem in my unit (which is a couple of years old now), though. Is there something I can do to find out if I owe you that steak? :) Thanks. Maurilio. -- This message posted from opensolaris.org _

Re: [zfs-discuss] strange pool disks usage pattern

2009-10-05 Thread Richard Elling
On Oct 4, 2009, at 11:52 PM, Maurilio Longo wrote: Richard, thanks for the explanation. So can we say that the problem is in the disks loosing a command now and then under stress? It may be the disks or the HBA. I'll bet a steak dinner it is the HBA. -- richard _

[zfs-discuss] group and user quotas - a temporary hack?

2009-10-05 Thread Alastair Neil
I am one of the much blessed university users who wishes to provide home directories and web space to thousands of users and is being bitten by abysmal scaling behaviour of zfs, the overhead of creating thousands of zfs files sytems in a pool can takes days to complete. Sharing or unsharing them c

Re: [zfs-discuss] Best way to convert checksums

2009-10-05 Thread Al Hopper
Question (for Richard E): Is there a write-up on the ZFS broken fletcher fix? Is the default checksum for new pool creation changed in U8? Is the default checksum for new pool creation change in OpenSolaris or SXCE (which versions)? Is there a case open to allow the user to select the checksum to

Re: [zfs-discuss] million files in single directory

2009-10-05 Thread David Dyer-Bennet
On Sat, October 3, 2009 20:50, Jeff Haferman wrote: > And why does an rsync take so much > longer on these directories when directories that contain hundreds of > gigabytes transfer much faster? Rsync protocol has to exchange information about each file between client and server, as part of the p

Re: [zfs-discuss] Best way to convert checksums

2009-10-05 Thread David Dyer-Bennet
On Sat, October 3, 2009 17:18, Ray Clark wrote: > Thank you all for your help, not to snub anyone, but Darren, Richard, and > Cindy especially come to mind. Thanks for sparring with me until we > understood each other. I'd like to echo this (and extend the thanks to include Ray). I'm now start

Re: [zfs-discuss] Best way to convert checksums

2009-10-05 Thread Brandon Mercer
On Mon, Oct 5, 2009 at 10:27 AM, David Dyer-Bennet wrote: > > On Sat, October 3, 2009 17:18, Ray Clark wrote: > >> Thank you all for your help, not to snub anyone, but Darren, Richard, and >> Cindy especially come to mind.  Thanks for sparring with me until we >> understood each other. > > I'd lik