[SAC] [OSGeo] #2591: Buy new drives for osgeo9

[OSGeo]

#2591: Buy new drives for osgeo9
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 Reporter:  robe           |       Owner:  sac@…
     Type:  task           |      Status:  new
 Priority:  normal         |   Milestone:  Sysadmin Contract 2022-II
Component:  Systems Admin  |  Resolution:
 Keywords:                 |
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Comment (by pnorman):

 I would strongly recommend against mechanical hard drives at this point
 unless you need >> 10 TB space. SSDs involve less administrative work
 because they fail much less often, and they're an order of magnitude
 faster.

 For our new servers we've tend to purchase them with enough disk space to
 last the lifetime of the machine, so I haven't been involved in replacing
 disks on them. Grant has, so you're better off asking him./

 The two sensible options are new OEM disks, or used HP-branded disks.

 The cheapest way to get 3TB usable per machine is 3x 1.92TB SSD in RAID5.
 With your budget, you can afford to spend $416/drive.

 For new SATA SSDs, it's about $400 per drive (Samsung PM883)
 For used HP SATA or SAS SSDs, it's about $325 per drive.

 This does seem like a lot to spend on HP DL360 G6 machines, which are only
 worth about 100 bucks each.

 For 2.5k you should be able to get a used HP DL360 Gen9 with a CPU
 launched in 2016, 128GB RAM, and 3x1.92TB drives instead of a machine with
 CPUs from 2010. The new machine would be far more powerful than the two
 old machines combined.
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Ticket URL: <https://trac.osgeo.org/osgeo/ticket/2591#comment:10>
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