Re: [zfs-discuss] 350TB+ storage solution

2011-05-18 Thread Chris Mosetick
The drives I just bought were half packed in white foam then wrapped in bubble wrap. Not all edges were protected with more than bubble wrap. Same here for me. I purchased 10 x 2TB Hitachi 7200rpm SATA disks from Newegg.com in March. The majority of the drives were protected in white foam.

Re: [zfs-discuss] 350TB+ storage solution

2011-05-18 Thread Rich Teer
On Wed, 18 May 2011, Chris Mosetick wrote: to go in the packing dept. I still love their prices! There's a reason fort at: you don't get what you don't pay for! -- Rich Teer, Publisher Vinylphile Magazine www.vinylphilemag.com ___ zfs-discuss

Re: [zfs-discuss] 350TB+ storage solution

2011-05-16 Thread Brandon High
On Sun, May 15, 2011 at 10:14 PM, Richard Elling richard.ell...@gmail.com wrote: On May 15, 2011, at 10:18 AM, Jim Klimov jimkli...@cos.ru wrote: In case of RAIDZ2 this recommendation leads to vdevs sized 6 (4+2), 10 (8+2) or 18 (16+2) disks - the latter being mentioned in the original post.

Re: [zfs-discuss] 350TB+ storage solution

2011-05-16 Thread Sandon Van Ness
On 05/15/2011 09:58 PM, Richard Elling wrote: In one of my systems, I have 1TB mirrors, 70% full, which can be sequentially completely read/written in 2 hrs. But the resilver took 12 hours of idle time. Supposing you had a 70% full pool of raidz3, 2TB disks, using 10 disks + 3 parity, and a

Re: [zfs-discuss] 350TB+ storage solution

2011-05-16 Thread Giovanni Tirloni
On Mon, May 16, 2011 at 9:02 AM, Sandon Van Ness san...@van-ness.comwrote: Actually I have seen resilvers take a very long time (weeks) on solaris/raidz2 when I almost never see a hardware raid controller take more than a day or two. In one case i thrashed the disks absolutely as hard as I

Re: [zfs-discuss] 350TB+ storage solution

2011-05-16 Thread Karl Wagner
I have to agree. ZFS needs a more intelligent scrub/resilver algorithm, which can 'sequentialise' the process. -- Sent from my Android phone with K-9 Mail. Please excuse my brevity. Giovanni Tirloni gtirl...@sysdroid.com wrote: On Mon, May 16, 2011 at 9:02 AM, Sandon Van Ness

Re: [zfs-discuss] 350TB+ storage solution

2011-05-16 Thread Edward Ned Harvey
From: Richard Elling [mailto:richard.ell...@gmail.com] In one of my systems, I have 1TB mirrors, 70% full, which can be sequentially completely read/written in 2 hrs. But the resilver took 12 hours of idle time. Supposing you had a 70% full pool of raidz3, 2TB disks, using 10 disks +

Re: [zfs-discuss] 350TB+ storage solution

2011-05-16 Thread Edward Ned Harvey
From: Sandon Van Ness [mailto:san...@van-ness.com] ZFS resilver can take a very long time depending on your usage pattern. I do disagree with some things he said though... like a 1TB drive being able to be read/written in 2 hours? I seriously doubt this. Just reading 1 TB in 2 hours means

Re: [zfs-discuss] 350TB+ storage solution

2011-05-16 Thread Richard Elling
On May 16, 2011, at 5:02 AM, Sandon Van Ness san...@van-ness.com wrote: On 05/15/2011 09:58 PM, Richard Elling wrote: In one of my systems, I have 1TB mirrors, 70% full, which can be sequentially completely read/written in 2 hrs. But the resilver took 12 hours of idle time. Supposing you

Re: [zfs-discuss] 350TB+ storage solution

2011-05-16 Thread John Doe
following are some thoughts if it's not too late: 1 SuperMicro 847E1-R1400LPB I guess you meant the 847E1[b]6[/b]-R1400LPB, the SAS1 version makes no sense 1 SuperMicro H8DG6-F not the best choice, see below why 171 Hitachi 7K3000 3TB I'd go for the more environmentally

Re: [zfs-discuss] 350TB+ storage solution

2011-05-16 Thread Brandon High
On Sat, May 14, 2011 at 11:20 PM, John Doe dav3...@gmail.com wrote: 171   Hitachi 7K3000 3TB I'd go for the more environmentally friendly Ultrastar 5K3000 version - with that many drives you wont mind the slower rotation but WILL notice a difference in power and cooling cost A word of

Re: [zfs-discuss] 350TB+ storage solution

2011-05-16 Thread Brandon High
On Mon, May 16, 2011 at 8:33 AM, Richard Elling richard.ell...@gmail.com wrote: As a rule of thumb, the resilvering disk is expected to max out at around 80 IOPS for 7,200 rpm disks. If you see less than 80 IOPS, then suspect the throttles or broken data path. My system was doing far less than

Re: [zfs-discuss] 350TB+ storage solution

2011-05-16 Thread Richard Elling
On May 16, 2011, at 10:31 AM, Brandon High wrote: On Mon, May 16, 2011 at 8:33 AM, Richard Elling richard.ell...@gmail.com wrote: As a rule of thumb, the resilvering disk is expected to max out at around 80 IOPS for 7,200 rpm disks. If you see less than 80 IOPS, then suspect the throttles or

Re: [zfs-discuss] 350TB+ storage solution

2011-05-16 Thread Krunal Desai
On Mon, May 16, 2011 at 1:20 PM, Brandon High bh...@freaks.com wrote: The 1TB and 2TB are manufactured in China, and have a very high failure and DOA rate according to Newegg. The 3TB drives come off the same production line as the Ultrastar 5K3000 in Thailand and may be more reliable.

Re: [zfs-discuss] 350TB+ storage solution

2011-05-16 Thread Paul Kraus
On Mon, May 16, 2011 at 1:20 PM, Brandon High bh...@freaks.com wrote: The 1TB and 2TB are manufactured in China, and have a very high failure and DOA rate according to Newegg. All drives have a very high DOA rate according to Newegg. The way they package drives for shipping is exactly

Re: [zfs-discuss] 350TB+ storage solution

2011-05-16 Thread Krunal Desai
On Mon, May 16, 2011 at 2:29 PM, Paul Kraus p...@kraus-haus.org wrote: What Newegg was doing is buying drives in the 20-pack from the manufacturer and packing them individually WRAPPED IN BUBBLE WRAP and then stuffed in a box. No clamshell. I realized *something* was up when _every_ drive I

Re: [zfs-discuss] 350TB+ storage solution

2011-05-16 Thread Garrett D'Amore
Actually it is 100 or less, i.e. a 10 msec delay. -- Garrett D'Amore On May 16, 2011, at 11:13 AM, Richard Elling richard.ell...@gmail.com wrote: On May 16, 2011, at 10:31 AM, Brandon High wrote: On Mon, May 16, 2011 at 8:33 AM, Richard Elling richard.ell...@gmail.com wrote: As a rule of

Re: [zfs-discuss] 350TB+ storage solution

2011-05-16 Thread Paul Kraus
On Mon, May 16, 2011 at 2:35 PM, Krunal Desai mov...@gmail.com wrote: An order of 6 the 5K3000 drives for work-related purposes shipped in a Styrofoam holder of sorts that was cut in half for my small number of drives (is this what 20 pks come in?). No idea what other packaging was around

Re: [zfs-discuss] 350TB+ storage solution

2011-05-16 Thread Eric D. Mudama
On Mon, May 16 at 14:29, Paul Kraus wrote: I have stopped buying drives (and everything else) from Newegg as they cannot be bothered to properly pack items. It is worth the extra $5 per drive to buy them from CDW (who uses factory approved packaging). Note that I made this change 5 or so

Re: [zfs-discuss] 350TB+ storage solution

2011-05-16 Thread Jim Klimov
2011-05-16 9:14, Richard Elling пишет: On May 15, 2011, at 10:18 AM, Jim Klimovjimkli...@cos.ru wrote: Hi, Very interesting suggestions as I'm contemplating a Supermicro-based server for my work as well, but probably in a lower budget as a backup store for an aging Thumper (not as its

Re: [zfs-discuss] 350TB+ storage solution

2011-05-16 Thread Edward Ned Harvey
From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss- boun...@opensolaris.org] On Behalf Of Paul Kraus All drives have a very high DOA rate according to Newegg. The way they package drives for shipping is exactly how Seagate specifically says NOT to pack them here 8 months

Re: [zfs-discuss] 350TB+ storage solution

2011-05-16 Thread Eric D. Mudama
On Mon, May 16 at 21:55, Edward Ned Harvey wrote: From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss- boun...@opensolaris.org] On Behalf Of Paul Kraus All drives have a very high DOA rate according to Newegg. The way they package drives for shipping is exactly how Seagate

Re: [zfs-discuss] 350TB+ storage solution

2011-05-15 Thread Jim Klimov
Hi, Very interesting suggestions as I'm contemplating a Supermicro-based server for my work as well, but probably in a lower budget as a backup store for an aging Thumper (not as its superior replacement). Still, I have a couple of questions regarding your raidz layout recommendation. On one

Re: [zfs-discuss] 350TB+ storage solution

2011-05-15 Thread Edward Ned Harvey
From: zfs-discuss-boun...@opensolaris.org [mailto:zfs-discuss- boun...@opensolaris.org] On Behalf Of Jim Klimov On one hand, I've read that as current drives get larger (while their random IOPS/MBPS don't grow nearly as fast with new generations), it is becoming more and more reasonable to

Re: [zfs-discuss] 350TB+ storage solution

2011-05-15 Thread Richard Elling
On May 15, 2011, at 10:18 AM, Jim Klimov jimkli...@cos.ru wrote: Hi, Very interesting suggestions as I'm contemplating a Supermicro-based server for my work as well, but probably in a lower budget as a backup store for an aging Thumper (not as its superior replacement). Still, I have a