[zfs-discuss] Sun Flash Accelerator F20

2009-09-24 Thread James Andrewartha
I'm surprised no-one else has posted about this - part of the Sun Oracle Exadata v2 is the Sun Flash Accelerator F20 PCIe card, with 48 or 96 GB of SLC, a built-in SAS controller and a super-capacitor for cache protection. http://www.sun.com/storage/disk_systems/sss/f20/specs.xml There's no

Re: [zfs-discuss] Checksum property change does not change pre-existing data - right?

2009-09-24 Thread Roch
Bob Friesenhahn writes: On Wed, 23 Sep 2009, Ray Clark wrote: My understanding is that if I zfs set checksum=different to change the algorithm that this will change the checksum algorithm for all FUTURE data blocks written, but does not in any way change the checksum for

Re: [zfs-discuss] Checksum property change does not change pre-existing data - right?

2009-09-24 Thread Darren J Moffat
Roch wrote: Bob Friesenhahn writes: On Wed, 23 Sep 2009, Ray Clark wrote: My understanding is that if I zfs set checksum=different to change the algorithm that this will change the checksum algorithm for all FUTURE data blocks written, but does not in any way change the

Re: [zfs-discuss] You're Invited: OpenSolaris Security Summit

2009-09-24 Thread Darren J Moffat
Jennifer Bauer Scarpino wrote: 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 Aliceanna Street Baltimore, Maryland 21202 I will be giving a talk

[zfs-discuss] zfs copy performance

2009-09-24 Thread chris bannayan
I've been comparing zfs send and receive to cp, cpio etc.. for a customer data migration and have found send and receive to be twice as slow as cp or cpio. Im migrating zfs data from one array to a temporary array on the same server, its 2.3TB in total, and was looking for the fastest way to do

Re: [zfs-discuss] zfs copy performance

2009-09-24 Thread Darren J Moffat
chris bannayan wrote: I've been comparing zfs send and receive to cp, cpio etc.. for a customer data migration and have found send and receive to be twice as slow as cp or cpio. Did you run sync after the cp/cpio finished to ensure the data really is on disk ? cp and cpio do not do

[zfs-discuss] Changing the recordsize while replacing a disk

2009-09-24 Thread Javier Conde
Hello, Quick question: I have changed the recordsize of an existing file system and I would like to do the conversion while the file system is online. Will a disk replacement change the recordsize of the existing blocks? My idea is to issue a zpool replace mypool old_disk new_disk Will

Re: [zfs-discuss] Changing the recordsize while replacing a disk

2009-09-24 Thread Robert Milkowski
Javier Conde wrote: Hello, Quick question: I have changed the recordsize of an existing file system and I would like to do the conversion while the file system is online. Will a disk replacement change the recordsize of the existing blocks? My idea is to issue a zpool replace mypool

Re: [zfs-discuss] Checksum property change does not change pre-existing data - right?

2009-09-24 Thread Mark J Musante
On 23 Sep, 2009, at 21.54, Ray Clark wrote: My understanding is that if I zfs set checksum=different to change the algorithm that this will change the checksum algorithm for all FUTURE data blocks written, but does not in any way change the checksum for previously written data blocks. I

Re: [zfs-discuss] Checksum property change does not change pre-existing data - right?

2009-09-24 Thread Chris Ridd
On 24 Sep 2009, at 03:09, Mark J Musante wrote: On 23 Sep, 2009, at 21.54, Ray Clark wrote: My understanding is that if I zfs set checksum=different to change the algorithm that this will change the checksum algorithm for all FUTURE data blocks written, but does not in any way change

Re: [zfs-discuss] periodic slow responsiveness

2009-09-24 Thread Bob Friesenhahn
On Thu, 24 Sep 2009, James Lever wrote: I was of the (mis)understanding that only metadata and writes smaller than 64k went via the slog device in the event of an O_SYNC write request? What would cause you to understand that? Is there a way to tune this on the NFS server or clients such

[zfs-discuss] moving files from one fs to another, splittin/merging

2009-09-24 Thread Paul Archer
I may have missed something in the docs, but if I have a file in one FS, and want to move it to another FS (assuming both filesystems are on the same ZFS pool), is there a way to do it outside of the standard mv/cp/rsync commands? For example, I have a pool with my home directory as a FS, and

Re: [zfs-discuss] You're Invited: OpenSolaris Security Summit

2009-09-24 Thread Richard Elling
On Sep 24, 2009, at 2:19 AM, Darren J Moffat wrote: Jennifer Bauer Scarpino wrote: 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 Aliceanna Street

Re: [zfs-discuss] periodic slow responsiveness

2009-09-24 Thread Richard Elling
comment below... On Sep 23, 2009, at 10:00 PM, James Lever wrote: On 08/09/2009, at 2:01 AM, Ross Walker wrote: On Sep 7, 2009, at 1:32 AM, James Lever j...@jamver.id.au wrote: Well a MD1000 holds 15 drives a good compromise might be 2 7 drive RAIDZ2s with a hotspare... That should provide

Re: [zfs-discuss] Sun Flash Accelerator F20

2009-09-24 Thread Richard Elling
On Sep 24, 2009, at 12:20 AM, James Andrewartha wrote: I'm surprised no-one else has posted about this - part of the Sun Oracle Exadata v2 is the Sun Flash Accelerator F20 PCIe card, with 48 or 96 GB of SLC, a built-in SAS controller and a super-capacitor for cache protection.

Re: [zfs-discuss] Sun Flash Accelerator F20

2009-09-24 Thread Tim Cook
On Thu, Sep 24, 2009 at 12:10 PM, Richard Elling richard.ell...@gmail.comwrote: On Sep 24, 2009, at 12:20 AM, James Andrewartha wrote: I'm surprised no-one else has posted about this - part of the Sun Oracle Exadata v2 is the Sun Flash Accelerator F20 PCIe card, with 48 or 96 GB of SLC, a

Re: [zfs-discuss] Sun Flash Accelerator F20

2009-09-24 Thread Enda O'Connor
Richard Elling wrote: On Sep 24, 2009, at 12:20 AM, James Andrewartha wrote: I'm surprised no-one else has posted about this - part of the Sun Oracle Exadata v2 is the Sun Flash Accelerator F20 PCIe card, with 48 or 96 GB of SLC, a built-in SAS controller and a super-capacitor for cache

Re: [zfs-discuss] moving files from one fs to another, splittin/merging

2009-09-24 Thread Mark J Musante
On Thu, 24 Sep 2009, Paul Archer wrote: I may have missed something in the docs, but if I have a file in one FS, and want to move it to another FS (assuming both filesystems are on the same ZFS pool), is there a way to do it outside of the standard mv/cp/rsync commands? Not yet. CR 6483179

[zfs-discuss] ZFS ARC vs Oracle cache

2009-09-24 Thread Javier Conde
Hello, Given the following configuration: * Server with 12 SPARCVII CPUs and 96 GB of RAM * ZFS used as file system for Oracle data * Oracle 10.2.0.4 with 1.7TB of data and indexes * 1800 concurrents users with PeopleSoft Financial * 2 PeopleSoft transactions per day * HDS USP1100 with

Re: [zfs-discuss] moving files from one fs to another, splittin/merging

2009-09-24 Thread Paul Archer
Thanks for the info. Glad to hear it's in the works, too. Paul 1:21pm, Mark J Musante wrote: On Thu, 24 Sep 2009, Paul Archer wrote: I may have missed something in the docs, but if I have a file in one FS, and want to move it to another FS (assuming both filesystems are on the same ZFS

Re: [zfs-discuss] ZFS ARC vs Oracle cache

2009-09-24 Thread Richard Elling
On Sep 24, 2009, at 10:30 AM, Javier Conde wrote: Hello, Given the following configuration: * Server with 12 SPARCVII CPUs and 96 GB of RAM * ZFS used as file system for Oracle data * Oracle 10.2.0.4 with 1.7TB of data and indexes * 1800 concurrents users with PeopleSoft Financial * 2

Re: [zfs-discuss] Sun Flash Accelerator F20

2009-09-24 Thread Richard Elling
On Sep 24, 2009, at 10:17 AM, Tim Cook wrote: On Thu, Sep 24, 2009 at 12:10 PM, Richard Elling richard.ell...@gmail.com wrote: On Sep 24, 2009, at 12:20 AM, James Andrewartha wrote: I'm surprised no-one else has posted about this - part of the Sun Oracle Exadata v2 is the Sun Flash

Re: [zfs-discuss] moving files from one fs to another, splittin/merging

2009-09-24 Thread Mattias Pantzare
Thanks for the info. Glad to hear it's in the works, too. It is not in the works. If you look at the bug IDs in the bug database you will find no indication of work done on them. Paul 1:21pm, Mark J Musante wrote: On Thu, 24 Sep 2009, Paul Archer wrote: I may have missed something in

Re: [zfs-discuss] Cloning Systems using zpool

2009-09-24 Thread Cindy Swearingen
Hi Karl, Manually cloning the root pool is difficult. We have a root pool recovery procedure that you might be able to apply as long as the systems are identical. I would not attempt this with LiveUpgrade and manually tweaking.

Re: [zfs-discuss] ZFS ARC vs Oracle cache

2009-09-24 Thread Javier Conde
Hi Richard, Thanks for your reply. We are using Solaris 10 u6 and ZFS version 10. Regards, Javi Richard Elling wrote: On Sep 24, 2009, at 10:30 AM, Javier Conde wrote: Hello, Given the following configuration: * Server with 12 SPARCVII CPUs and 96 GB of RAM * ZFS used as file system

Re: [zfs-discuss] ZFS ARC vs Oracle cache

2009-09-24 Thread Enda O'Connor
Richard Elling wrote: On Sep 24, 2009, at 10:30 AM, Javier Conde wrote: Hello, Given the following configuration: * Server with 12 SPARCVII CPUs and 96 GB of RAM * ZFS used as file system for Oracle data * Oracle 10.2.0.4 with 1.7TB of data and indexes * 1800 concurrents users with

Re: [zfs-discuss] Sun Flash Accelerator F20

2009-09-24 Thread Roland Rambau
Richard, Tim, yes, one might envision the X4275 as OpenStorage appliances, but they are not. Exadata 2 is - *all* Sun hardware - *all* Oracle software (*) and that combination is now an Oracle product: a database appliance. All nodes run Oracles Linux; as far as I understand - and that is not

Re: [zfs-discuss] Cloning Systems using zpool

2009-09-24 Thread Erik Trimble
As Cindy said, this isn't trivial right now. Personally, I'd do it this way: ASSUMPTIONS: * both v210 machines are reasonably identical (may differ in RAM or CPU speed, but nothing much else). * Call the original machine A and the new machine B * machine B has no current drives in it.

Re: [zfs-discuss] Sun Flash Accelerator F20

2009-09-24 Thread Andrew Gabriel
Richard Elling wrote: On Sep 24, 2009, at 10:17 AM, Tim Cook wrote: On Thu, Sep 24, 2009 at 12:10 PM, Richard Elling richard.ell...@gmail.com wrote: On Sep 24, 2009, at 12:20 AM, James Andrewartha wrote: I'm surprised no-one else has posted about this - part of the Sun Oracle Exadata v2

Re: [zfs-discuss] Cloning Systems using zpool

2009-09-24 Thread Cindy Swearingen
Hi Peter, I can't provide it because I don't know what it is. Even if we could provide a list of items, tweaking the device informaton if the systems are not identical would be too difficult. cs On 09/24/09 12:04, Peter Pickford wrote: Hi Cindy, Could you provide a list of system specific

Re: [zfs-discuss] Cloning Systems using zpool

2009-09-24 Thread Karl Rossing
Thanks for the help. Since the v210's in question are at a remote site. It might be a bit of a pain getting the drives swapped by end users. So I thought of something else. Could I netboot the new v210 with snv_115, use zfs send/receive with ssh to grab the data on the old server, install the

Re: [zfs-discuss] Sun Flash Accelerator F20

2009-09-24 Thread Brian H. Nelson
Roland Rambau wrote: Richard, Tim, yes, one might envision the X4275 as OpenStorage appliances, but they are not. Exadata 2 is - *all* Sun hardware - *all* Oracle software (*) and that combination is now an Oracle product: a database appliance. Is there any reason the X4275 couldn't be an

Re: [zfs-discuss] Cloning Systems using zpool

2009-09-24 Thread Cindy Swearingen
Karl, I'm not sure I'm following everything. If you can't swap the drives, the which pool would you import? If you install the new v210 with snv_115, then you would have a bootable root pool. You could then receive the snapshots from the old root pool into the root pool on the new v210. I

Re: [zfs-discuss] Sun Flash Accelerator F20

2009-09-24 Thread Trevor Pretty
Oracle use Linux :-( But on the positive note have a look at this:- http://www.youtube.com/watch?v=rmrxN3GWHpM It's Ed Zander talking to Larry and asking some great questions. 29:45 Ed asks what parts of Sun are you going to keep - all of it! 45:00 Larry's rant on Cloud Computing

Re: [zfs-discuss] Cloning Systems using zpool

2009-09-24 Thread Peter Pickford
Hi Cindy, Wouldn't touch /reconfigure mv /etc/path_to_inst* /var/tmp/ regenerate all device information? AFIK zfs doesn't care about the device names it scans for them it would only affect things like vfstab. I did a restore from a E2900 to V890 and is seemed to work Created the pool and zfs

Re: [zfs-discuss] Cloning Systems using zpool

2009-09-24 Thread Lori Alt
On 09/24/09 15:54, Peter Pickford wrote: Hi Cindy, Wouldn't touch /reconfigure mv /etc/path_to_inst* /var/tmp/ regenerate all device information? It might, but it's hard to say whether that would accomplish everything needed to move a root file system from one system to another. I just

Re: [zfs-discuss] periodic slow responsiveness

2009-09-24 Thread James Lever
On 25/09/2009, at 2:58 AM, Richard Elling wrote: On Sep 23, 2009, at 10:00 PM, James Lever wrote: So it turns out that the problem is that all writes coming via NFS are going through the slog. When that happens, the transfer speed to the device drops to ~70MB/s (the write speed of his

Re: [zfs-discuss] periodic slow responsiveness

2009-09-24 Thread James Lever
On 25/09/2009, at 1:24 AM, Bob Friesenhahn wrote: On Thu, 24 Sep 2009, James Lever wrote: Is there a way to tune this on the NFS server or clients such that when I perform a large synchronous write, the data does not go via the slog device? Synchronous writes are needed by NFS to

Re: [zfs-discuss] zfs copy performance

2009-09-24 Thread chris bannayan
Im measuring time by using the time command in the command arguments ie: time cp * / etc.. for copy i just used time cp pool/fs1/* /newpool/fs1 etc... for cpio i used, time find /pool/fs1 |cpio -pdmv /newpool/fs1 for zfs i ran a snapshot fist then, time zfs -R send snapshot| zfs receive -F -d

Re: [zfs-discuss] periodic slow responsiveness

2009-09-24 Thread Bob Friesenhahn
On Fri, 25 Sep 2009, James Lever wrote: NFS Version 3 introduces the concept of safe asynchronous writes.? Being safe then requires a responsibilty level on the client which is often not present. For example, if the server crashes, and then the client crashes, how does the client resend

Re: [zfs-discuss] periodic slow responsiveness

2009-09-24 Thread James Lever
On 25/09/2009, at 11:49 AM, Bob Friesenhahn wrote: The commentary says that normally the COMMIT operations occur during close(2) or fsync(2) system call, or when encountering memory pressure. If the problem is slow copying of many small files, this COMMIT approach does not help very much

Re: [zfs-discuss] periodic slow responsiveness

2009-09-24 Thread James Lever
I thought I would try the same test using dd bs=131072 if=source of=/ path/to/nfs to see what the results looked liked… It is very similar to before, about 2x slog usage and same timing and write totals. Friday, 25 September 2009 1:49:48 PM EST extended device

Re: [zfs-discuss] Persistent errors - do I believe?

2009-09-24 Thread Chris Borrell
Try exporting and reimporting the pool. That has done the trick for me in the past -- This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

[zfs-discuss] Help! System panic when pool imported

2009-09-24 Thread Albert Chin
Running snv_114 on an X4100M2 connected to a 6140. Made a clone of a snapshot a few days ago: # zfs snapshot a...@b # zfs clone a...@b tank/a # zfs clone a...@b tank/b The system started panicing after I tried: # zfs snapshot tank/b...@backup So, I destroyed tank/b: # zfs destroy