Re: Raid 10 chunksize

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От Matthew Wakeling
Тема Re: Raid 10 chunksize
Дата
Msg-id alpine.DEB.2.00.0904011757580.21772@aragorn.flymine.org
обсуждение исходный текст
Ответ на Re: Raid 10 chunksize  (Stef Telford)
Ответы Re: Raid 10 chunksize  (Scott Marlowe)
Re: Raid 10 chunksize  (Stef Telford)
Re: Raid 10 chunksize  (Scott Carey)
Список pgsql-performance
Дерево обсуждения
Raid 10 chunksize  (Mark Kirkwood, )
 Re: Raid 10 chunksize  (Scott Carey, )
  Re: Raid 10 chunksize  (David Rees, )
   Re: Raid 10 chunksize  (Greg Smith, )
 Re: Raid 10 chunksize  (Scott Marlowe, )
  Re: Raid 10 chunksize  (Mark Kirkwood, )
   Re: Raid 10 chunksize  (Jerry Champlin, )
   Re: Raid 10 chunksize  (Mark Kirkwood, )
    Re: Raid 10 chunksize  (Scott Carey, )
     Re: Raid 10 chunksize  (Mark Kirkwood, )
      Re: Raid 10 chunksize  (Mark Kirkwood, )
 Re: Raid 10 chunksize  (Greg Smith, )
  Re: Raid 10 chunksize  (Scott Carey, )
   Re: Raid 10 chunksize  (Merlin Moncure, )
    Re: Raid 10 chunksize  (Scott Carey, )
     Re: Raid 10 chunksize  (Merlin Moncure, )
     Re: Raid 10 chunksize  (Scott Carey, )
  Re: Raid 10 chunksize  (Mark Kirkwood, )
   Re: Raid 10 chunksize  (Greg Smith, )
    Re: Raid 10 chunksize  (Mark Kirkwood, )
 Re: Raid 10 chunksize  (Stef Telford, )
  Re: Raid 10 chunksize  (Mark Kirkwood, )
   Re: Raid 10 chunksize  (Scott Carey, )
    Re: Raid 10 chunksize  (Scott Carey, )
     Re: Raid 10 chunksize  (Mark Kirkwood, )
      Re: Raid 10 chunksize  (Stef Telford, )
       Re: Raid 10 chunksize  (Greg Smith, )
        Re: Raid 10 chunksize  (Stef Telford, )
         Re: Raid 10 chunksize  (Scott Marlowe, )
          Re: Raid 10 chunksize  (Stef Telford, )
           Re: Raid 10 chunksize  (Scott Marlowe, )
            Re: Raid 10 chunksize  (Greg Smith, )
             Re: Raid 10 chunksize  (Matthew Wakeling, )
              Re: Raid 10 chunksize  (Scott Marlowe, )
            Re: Raid 10 chunksize  (Scott Carey, )
             Re: Raid 10 chunksize  (, )
             Re: Raid 10 chunksize  (Scott Marlowe, )
           Re: Raid 10 chunksize  (Matthew Wakeling, )
            Re: Raid 10 chunksize  (Scott Marlowe, )
            Re: Raid 10 chunksize  (Stef Telford, )
            Re: Raid 10 chunksize  (Scott Carey, )
          Re: Raid 10 chunksize  (Matthew Wakeling, )
         Re: Raid 10 chunksize  (Scott Carey, )
          Re: Raid 10 chunksize  (Greg Smith, )
           Re: Raid 10 chunksize  (James Mansion, )
            Re: Raid 10 chunksize  (Greg Smith, )
           Re: Raid 10 chunksize  (Scott Carey, )
            Re: Raid 10 chunksize  (Greg Smith, )
           Re: Raid 10 chunksize  (Ron Mayer, )
            Re: Raid 10 chunksize  (Hannes Dorbath, )
       Re: Raid 10 chunksize  (Stef Telford, )
        Re: Raid 10 chunksize  (Stef Telford, )
         Re: Raid 10 chunksize  (Scott Carey, )
       Re: Raid 10 chunksize  (Mark Kirkwood, )
      Re: Raid 10 chunksize  (, )
       Re: Raid 10 chunksize  (, )
 Re: Raid 10 chunksize  (Greg Smith, )
  Re: Raid 10 chunksize  (, )
   Re: Raid 10 chunksize  (Greg Smith, )
   Re: Raid 10 chunksize  (Scott Carey, )
On Wed, 1 Apr 2009, Stef Telford wrote:
>    Good UPS, a warm PITR standby, offsite backups and regular checks is
> "good enough" for me, and really, that's what it all comes down to.
> Mitigating risk and factors into an 'acceptable' amount for each person.
> However, if you see over a 2x improvement from turning write-cache 'on'
> and have everything else in place, well, that seems like a 'no-brainer'
> to me, at least ;)

In that case, buying a battery-backed-up cache in the RAID controller
would be even more of a no-brainer.

Matthew

--
 If pro is the opposite of con, what is the opposite of progress?

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