search for: md1200

Displaying 8 results from an estimated 8 matches for "md1200".

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2012 Sep 04
4
Advice on partitioning a Dell MD1200 disk array
Hi, I've just got possession of a Dell PE R720 with 2 MD1200 disk enclosures. Both MD1200 are fully populated with 12 x 3 TB disks The system will basically be a student file-server running CentOS 6.x serving various size files from small c programs to multi gigabyte audio and video files over GB ethernet. The first MD1200 will be configured as the NF...
2012 Jan 06
3
ZFS + Dell MD1200's - MD3200 necessary?
We are looking at building a storage platform based on Dell HW + ZFS (likely Nexenta). Going Dell because they can provide solid HW support globally. Are any of you using the MD1200 JBOD with head units *without* an MD3200 in front? We are being told that the MD1200''s won''t "daisy chain" unless the MD3200 is involved. We would be looking to use some sort of LSI-based SAS controller on the Dell front-end servers. Looking to confirm from folks who...
2012 Apr 06
6
Seagate Constellation vs. Hitachi Ultrastar
Happy Friday, List! I''m spec''ing out a Thumper-esque solution and having trouble finding my favorite Hitachi Ultrastar 2TB drives at a reasonable post-flood price. The Seagate Constellations seem pretty reasonable given the market circumstances but I don''t have any experience with them. Anybody using these in their ZFS systems and have you had good luck? Also, if
2013 Mar 23
0
Dirves going offline in Zpool
Hi, I have Dell md1200 connected to two heads ( Dell R710 ). The heads have Perc H800 card and drives are configured in Raid0 ( Virtual Disk) in the RAID controller. One of the drives had crashed and is replaced by a spare. Resilvering was triggered but fails to complete due to drives going offline. I have to reboot th...
2013 Mar 18
0
Re: zfs-discuss Digest, Vol 89, Issue 12
...e''s and will take 32 DIMMs minimum, maybe 64. And is likely to cost you less than $50K with aftermarket RAM. -- Trey On Mar 15, 2013, at 10:35 PM, Marion Hakanson <hakansom@ohsu.edu> wrote: >>> Ray said: >>>> Using a Dell R720 head unit, plus a bunch of Dell MD1200 JBODs dual pathed >>>> to a couple of LSI SAS switches. >> Marion said: >>> How many HBA''s in the R720? > Ray said: >> We have qty 2 LSI SAS 9201-16e HBA''s (Dell resold[1]). > > Sounds similar in approach to the Aberdeen product another...
2013 Oct 24
4
ZFS on Linux in production?
We are a CentOS shop, and have the lucky, fortunate problem of having ever-increasing amounts of data to manage. EXT3/4 becomes tough to manage when you start climbing, especially when you have to upgrade, so we're contemplating switching to ZFS. As of last spring, it appears that ZFS On Linux http://zfsonlinux.org/ calls itself production ready despite a version number of 0.6.2, and
2012 Nov 30
13
Remove disk
Hi all, I would like to knwon if with ZFS it''s possible to do something like that : http://tldp.org/HOWTO/LVM-HOWTO/removeadisk.html meaning : I have a zpool with 48 disks with 4 raidz2 (12 disk). Inside those 48 disk I''ve 36x 3T and 12 x 2T. Can I buy new 12x4 To disk put in the server, add in the zpool, ask zpool to migrate all data on those 12 old disk on the new and
2010 Oct 08
74
Performance issues with iSCSI under Linux
Hi!We''re trying to pinpoint our performance issues and we could use all the help to community can provide. We''re running the latest version of Nexenta on a pretty powerful machine (4x Xeon 7550, 256GB RAM, 12x 100GB Samsung SSDs for the cache, 50GB Samsung SSD for the ZIL, 10GbE on a dedicated switch, 11x pairs of 15K HDDs for the pool). We''re connecting a single Linux