Re: [zfs-discuss] one more time: pool size changes

2010-06-03 Thread Roman Naumenko
Richard Elling said the following, on 06/02/2010 08:50 PM: On Jun 2, 2010, at 3:54 PM, Roman Naumenko wrote: Recently I talked to a co-worker who manages NetApp storages. We discussed size changes for pools in zfs and aggregates in NetApp. And some time before I had suggested to a my buddy

Re: [zfs-discuss] one more time: pool size changes

2010-06-03 Thread Roman Naumenko
Brandon High said the following, on 06/02/2010 11:47 PM: On Wed, Jun 2, 2010 at 3:54 PM, Roman Naumenkoro...@naumenko.ca wrote: And some time before I had suggested to a my buddy zfs for his new home storage server, but he turned it down since there is no expansion available for a pool.

Re: [zfs-discuss] one more time: pool size changes

2010-06-03 Thread Roman Naumenko
Erik Trimble said the following, on 06/02/2010 07:16 PM: Roman Naumenko wrote: Recently I talked to a co-worker who manages NetApp storages. We discussed size changes for pools in zfs and aggregates in NetApp. And some time before I had suggested to a my buddy zfs for his new home storage

[zfs-discuss] one more time: pool size changes

2010-06-02 Thread Roman Naumenko
there are no plans to introduce it. --Regards, Roman Naumenko ro...@naumenko.com -- This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] raidz data loss stories?

2009-12-22 Thread Roman Naumenko
On Tue, 22 Dec 2009, Ross Walker wrote: Applying classic RAID terms to zfs is just plain wrong and misleading since zfs does not directly implement these classic RAID approaches even though it re-uses some of the algorithms for data recovery. Details do matter. Bob -- Bob

Re: [zfs-discuss] raidz data loss stories?

2009-12-21 Thread Roman Naumenko
On Dec 21, 2009, at 4:09 PM, Michael Herf mbh...@gmail.com wrote: Anyone who's lost data this way: were you doing weekly scrubs, or did you find out about the simultaneous failures after not touching the bits for months? Scrubbing on a routine basis is good for detecting

Re: [zfs-discuss] raidz data loss stories?

2009-12-21 Thread Roman Naumenko
On Dec 21, 2009, at 4:09 PM, Michael Herf mbh...@gmail.com wrote: Anyone who's lost data this way: were you doing weekly scrubs, or did you find out about the simultaneous failures after not touching the bits for months? Scrubbing on a routine basis is good for detecting

Re: [zfs-discuss] ..and now ZFS send dedupe

2009-11-10 Thread Roman Naumenko
James C. McPherson wrote, On 09-11-09 04:40 PM: Roman Naumenko wrote: Interesting stuff. By the way, is there a place to watch lated news like this on zfs/opensolaris? rss maybe? You could subscribe to onnv-not...@opensolaris.org... James C. McPherson -- Senior Kernel Software

Re: [zfs-discuss] ..and now ZFS send dedupe

2009-11-09 Thread Roman Naumenko
Interesting stuff. By the way, is there a place to watch lated news like this on zfs/opensolaris? rss maybe? -- Roman -- This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org

[zfs-discuss] zfs usedbysnapshots is not equial to zfs list -t snapshot for a filesyste

2009-11-04 Thread Roman Naumenko
less than reported in the first (usedbysnapshots 161G) Why is there so big difference? -- Roman Naumenko ro...@frontline.ca -- This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http

Re: [zfs-discuss] zfs usedbysnapshots is not equial to zfs list -t snapshot for a files

2009-11-04 Thread Roman Naumenko
Not sure what you mean. Can I ask for more detailed explanation? Is anybody else see the difference in snapshots size on own file-systems? I mean the difference between zfs list -t snapshot and zfs list -o space Roman Naumenko ro...@frontline.ca -- This message posted from opensolaris.org

[zfs-discuss] Does refreservation sit on top of usedbydataset?

2009-10-30 Thread Roman Naumenko
Hello, I'm curios how space is counted for this particular system (opensolaris b118) #zfs list NAME USED__AVAIL__REFER__MOUNTPOINT zsan03.10T__2.25T23K__/zsan0 zsan0/fs__ 3.10T__2.25T__6.90G___/zsan0/fs [b]zsan0/fs/bar-001__

Re: [zfs-discuss] SSD over 10gbe not any faster than 10K SAS over GigE

2009-10-13 Thread Roman Naumenko
I think after some time we gonna see Derek screaming for f... zfs that toasted the data on his ssd array :) Hopefully this setup was non for production. -- Roman Naumenko PS -- This message posted from opensolaris.org ___ zfs-discuss mailing list

Re: [zfs-discuss] SSD over 10gbe not any faster than 10K SAS over GigE

2009-10-13 Thread Roman Naumenko
Well, your plan on storage usage goes to 1% of those who doesn't need reliability and roomy media back-end. So, it can work out well - but unfortunately this is not a silver bullet. -- Roman -- This message posted from opensolaris.org ___ zfs-discuss

[zfs-discuss] Sending volume snapshot - size?

2009-09-29 Thread Roman Naumenko
I'm on OSOL 118b I needed to move a raw volume from one pool to another. It had 1T volsize and quite a log of snapshots - probably around 100G. I deleted them, then zfs send | zfs receive - and it transferred the referenced size (600G). How does it happen? # zfs get all zsan01z2/mbx01-test |

Re: [zfs-discuss] Lightning SSD with 180,000 IOPs, 320MB/s writes

2009-09-15 Thread Roman Naumenko
http://www.plianttechnology.com/lightning_ls.php Write Endurance Unlimited :) -- Roman Naumenko ro...@frontline.ca -- This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http

Re: [zfs-discuss] Problem with RAID-Z in builds snv_120 - snv_123

2009-09-03 Thread Roman Naumenko
Hey folk, The are two problems with RAID-Z in builds snv_120 through snv_123 that will both be resolved in build snv_124. The problems are as follows: Thanks for letting us know. Is there is a way to get promt updates on such issues for Opensolaris? (except like reading a discussion

Re: [zfs-discuss] Problem with RAID-Z in builds snv_120 - snv_123

2009-09-03 Thread Roman Naumenko
And a question here how to control number of dev version to install? -- Roman -- This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Problem with RAID-Z in builds snv_120 - snv_123

2009-09-03 Thread Roman Naumenko
installed u--- -- Roman Naumenko -- This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Re: [zfs-discuss] Problem with RAID-Z in builds snv_120 - snv_123

2009-09-03 Thread Roman Naumenko
Hey, web-admins, you see what happens when mailling list is screwed up from the beginning? -- Roman -- This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org

Re: [zfs-discuss] Connect couple of SATA JBODs to one storage server

2009-08-28 Thread Roman Naumenko
Roman, are you saying you want to install OpenSolaris on your old servers, or make the servers look like an external JBOD array, that another server will then connect to? No, JBOD is JBOD, just an external enclosure, disks+internal/external connectors -- Roman -- This message posted from

Re: [zfs-discuss] Connect couple of SATA JBODs to one storage server

2009-08-28 Thread Roman Naumenko
This non-raid sas controller is $199 and is based on the LSI SAS 1068. http://accessories.us.dell.com/sna/products/Networking _Communication/productdetail.aspx?c=usl=ens=bsdcs=0 4sku=310-8285~lt=popup~ck=TopSellers Why Dell? Isn't it cheaper to go with LSI itself? What kind of chassis do

Re: [zfs-discuss] Pulsing write performance

2009-08-27 Thread Roman Naumenko
windows behaves during these pauses. -- Roman Naumenko ro...@frontline.ca -- This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

[zfs-discuss] Connect couple of SATA JBODs to one storage server

2009-08-27 Thread Roman Naumenko
Can somebody help me with this? I'd like to convert old storage servers into JBODs for zfs storage to use them as pools for backups. There are sata drives in it, and they have backplane. Right now there are 8 ports hardware raid cards in it. What cables/converters do I need for this? What

Re: [zfs-discuss] Ssd for zil on a dell 2950

2009-08-20 Thread Roman Naumenko
Something our users do quite a bit of is untarring archives with a lot of small files. Also, many small, quick writes are also one of the many workloads our users have. Real-world test: our old Linux-based NFS server allowed us to unpack a particular tar file (the source for boost

Re: [zfs-discuss] ETA for 6574286 removing a slog doesn't work?

2009-08-20 Thread Roman Naumenko
Does anybody aware if this bug is going to be fixed in nearest future? IBM just started to sale new X25 model for half a price. Seems like many folks consider SSD in their storages, but this bug may lead to a pretty bad results... Can anybody estimate time to fix this? Next dev release?

Re: [zfs-discuss] Ssd for zil on a dell 2950

2009-08-20 Thread Roman Naumenko
Greg Mason wrote: How about the bug removing slog not possible? What if this slog fails? Is there a plan for such situation (pool becomes inaccessible in this case)? You can zpool replace a bad slog device now. And I can testify that it works as described. I meant this

[zfs-discuss] ETA for 6574286 removing a slog doesn't work?

2009-08-18 Thread Roman Naumenko
Does anybody aware if this bug is going to be fixed in nearest future? IBM just started to sale new X25 model for half a price. -- Roman -- This message posted from opensolaris.org ___ zfs-discuss mailing list zfs-discuss@opensolaris.org