Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]

Groups > comp.os.linux.misc > #721

Re: Data Recovery from Nas Acer NS04

Show all headers | View raw

JohnF wrote:
> Grant <omg@grrr.id.au> wrote:
>> davidecool <davidecool@gmail.com> wrote:
>>
>>> this post is my last chance to recover data from a raid.
>> Usual answer is to restore from backup,
>> Not helpful when the RAID is your backup though,
> 
> Yeah, most people seem to confuse raid with a backup
> solution when it's really an availability solution.
> Anything that's powered up and spinning isn't a backup.
> I have three one-disk nas's (synology ds109j's) on
> my soho lan, each one backing up all four of my pc's
> (and a few old digital vaxstations and an alphaserver).
> Costs less than one two-disk nas raid.
> Usually only one nas is powered up at a time, in rotation,
> except for occasional syncs when something looks weird.
> If one disk and/or chasis dies, at very most a day's work
> dies with it.
>   Raid just scares me as backup. Especially if the
> controller dies, then depending on raid level, it can
> be hard to make sense of the disks without an identical
> duplicate controller. My disks are all just ext3, easily
> mountable on any linux box. In fact, I have a Thermaltake
> BlacX duet just for that purpose in case of trouble.
>   Raid, I think, is just the wrong way to go for most
> typical soho-type backup requirements. You might want
> a raid on your lan for availability purposes, so everybody
> keeps working in case a single spindle dies. But you want
> a whole different (most likely non-raid) backup solution,
> whether or not you have an online raid for availablity.

+100


backup means simplest possible restore solution. Raid ain't that.

My backup is just a second disk. Backs up other disks. If they go, new 
disk and restore, if IT goes, new disk and re-backup.

Its all in a cheap as chips low power headless server, running rsync..

Back to comp.os.linux.misc | Previous | Next — Previous in thread | Next in thread | Find similar

Thread

Data Recovery from Nas Acer NS04 davidecool <davidecool@gmail.com> - 2011-04-12 02:55 -0700
  Re: Data Recovery from Nas Acer NS04 Grant <omg@grrr.id.au> - 2011-04-14 13:49 +1000
    Re: Data Recovery from Nas Acer NS04 JohnF <john@please.see.sig.for.email.com> - 2011-04-14 13:03 +0000
      Re: Data Recovery from Nas Acer NS04 The Natural Philosopher <tnp@invalid.invalid> - 2011-04-14 15:36 +0100
        Re: Data Recovery from Nas Acer NS04 "Peter J. Holzer" <hjp-usenet2@hjp.at> - 2011-04-14 22:54 +0200

csiph-web