[zfs-discuss] number of blocks changes

2012-08-03 Thread Justin Stringfellow
While this isn't causing me any problems, I'm curious as to why this is happening...: $ dd if=/dev/random of=ob bs=128k count=1 && while true > do > ls -s ob > sleep 1 > done 0+1 records in 0+1 records out    1 ob    1 ob    1 ob    1 ob    1 ob    1 ob    1 ob    1 ob    1 ob    1 ob    1 ob  

Re: [zfs-discuss] number of blocks changes

2012-08-03 Thread Sašo Kiselkov
On 08/03/2012 03:18 PM, Justin Stringfellow wrote: > While this isn't causing me any problems, I'm curious as to why this is > happening...: > > > > $ dd if=/dev/random of=ob bs=128k count=1 && while true Can you check whether this happens from /dev/urandom as well? -- Saso __

Re: [zfs-discuss] number of blocks changes

2012-08-03 Thread Jim Klimov
2012-08-03 17:18, Justin Stringfellow пишет: While this isn't causing me any problems, I'm curious as to why this is happening...: $ dd if=/dev/random of=ob bs=128k count=1 && while true do ls -s ob sleep 1 done 0+1 records in 0+1 records out 1 ob ... I was expecting the '1', since t

Re: [zfs-discuss] Can the ZFS "copies" attribute substitute HW disk redundancy?

2012-08-03 Thread Richard Elling
On Aug 2, 2012, at 5:40 PM, Nigel W wrote: > On Thu, Aug 2, 2012 at 3:39 PM, Richard Elling > wrote: >> On Aug 1, 2012, at 8:30 AM, Nigel W wrote: >> >> >> Yes. +1 >> >> The L2ARC as is it currently implemented is not terribly useful for >> storing the DDT in anyway because each DDT entry is

[zfs-discuss] what have you been buying for slog and l2arc?

2012-08-03 Thread Karl Rossing
I'm looking at http://www.intel.com/content/www/us/en/solid-state-drives/solid-state-drives-ssd.html wondering what I should get. Are people getting intel 330's for l2arc and 520's for slog? Karl CONFIDENTIALITY NOTICE: This communication (including all attachments) is confidential and is

[zfs-discuss] Missing disk space

2012-08-03 Thread Burt Hailey
I seem to be missing a large amount of disk space and am not sure how to locate it. My pool has a total of 1.9TB of disk space. When I run df -k I see that the pool is using ~650GB of space and has only ~120GB available. Running zfs list shows that my pool (localpool) is using 1.67T. When I tot

Re: [zfs-discuss] Missing disk space

2012-08-03 Thread Cindy Swearingen
You said you're new to ZFS so might consider using zpool list and zfs list rather df -k to reconcile your disk space. In addition, your pool type (mirrored on RAIDZ) provides a different space perspective in zpool list that is not always easy to understand. http://docs.oracle.com/cd/E23824_01/ht

Re: [zfs-discuss] what have you been buying for slog and l2arc?

2012-08-03 Thread Bob Friesenhahn
On Fri, 3 Aug 2012, Karl Rossing wrote: I'm looking at http://www.intel.com/content/www/us/en/solid-state-drives/solid-state-drives-ssd.html wondering what I should get. Are people getting intel 330's for l2arc and 520's for slog? For the slog, you should look for a SLC technology SSD which

Re: [zfs-discuss] what have you been buying for slog and l2arc?

2012-08-03 Thread Hung-Sheng Tsao (LaoTsao) Ph.D
Intel 311 Series Larsen Creek 20GB 2.5" SATA II SLC Enterprise Solid State Disk SSDSA2VP020G201 Average Rating (12 reviews) Write a Review Sent from my iPad On Aug 3, 2012, at 21:39, Bob Friesenhahn wrote: > On Fri, 3 Aug 2012, Karl Rossing wrote: > >> I'm looking at >> http://www.intel.com

Re: [zfs-discuss] what have you been buying for slog and l2arc?

2012-08-03 Thread Neil Perrin
On 08/03/12 19:39, Bob Friesenhahn wrote: On Fri, 3 Aug 2012, Karl Rossing wrote: I'm looking at http://www.intel.com/content/www/us/en/solid-state-drives/solid-state-drives-ssd.html wondering what I should get. Are people getting intel 330's for l2arc and 520's for slog? For the slog, you