Thanks for correcting me on this ;-) Alister Christie Computers for People Ph: 04 471 1849 Fax: 04 471 1266 http://www.salespartner.co.nz PO Box 13085 Johnsonville Wellington
Neven MacEwan wrote: > Alister > > I'm not sure where you get this from, Raid 1 allows split reads, so it > 'can' double your read bandwidth > (your write bandwidth is of course the same as you have to flush to both > disks) Having said that it depends on > where the limiting factor is in your input stream, disk, interface, > controller etc ie if your limiting factor was your > disk controller then no it doesn't give any benefit. > > Neven > >> Raid 1 shouldn't give any performance improvement. >> >> Alister Christie >> Computers for People >> Ph: 04 471 1849 Fax: 04 471 1266 >> http://www.salespartner.co.nz >> PO Box 13085 >> Johnsonville >> Wellington >> >> >> >> Conor Boyd wrote: >> >> >>> The point I was making was that I believe RAID 1 to be a performance >>> improvement. >>> >>> If there are reliablility improvements, then for me that is irrelevant. >>> And I agree, certainly no replacement for a decent backup strategy. >>> >>> C. >>> >>> -----Original Message----- >>> From: [email protected] >>> [mailto:[email protected]] On Behalf Of John Bird >>> Sent: Monday, 30 March 2009 11:50 a.m. >>> To: NZ Borland Developers Group - Offtopic List >>> Subject: Re: [DUG-Offtopic] new PC >>> >>> Rather than RAID I tend to take a more minimal approach - reliable >>> laptop, no RAID, and image the entire HD to an external disk regularly. >>> Can use Acronis, Ghost, or Drive Snapshot. >>> >>> I figure the downtime replacing a single HD in a lpatop is going to be >>> a few hours minimum no matter how its done. >>> >>> Note the interesting part is restoring drive C if needed, I use a WAIK >>> boot DVD to do that. Works very well, only trick is that Microsoft >>> make it as difficult as possible to get this free dowload because they >>> don't want too >>> many to get hold of it obviously. But its the best way I know to >>> easily >>> access external disks if your HD windows is stuffed, or need to >>> reinstall working windows over a factory image recovery. >>> >>> (The steps are roughly: >>> 1 - find the download >>> 2 - download a disk image 990MB >>> 3 - Burn to a DVD/CD >>> 4 - run the DVD installer to install WAIK >>> 5 - use arcane command line options to create a bootable command line >>> Vista DVD >>> >>> simple really... >>> >>> ). >>> >>> >>> John >>> >>> _______________________________________________ >>> NZ Borland Developers Group Offtopic mailing list >>> Post: [email protected] >>> Admin: http://delphi.org.nz/mailman/listinfo/offtopic >>> Unsubscribe: send an email to [email protected] >>> with Subject: unsubscribe >>> >>> _______________________________________________ >>> NZ Borland Developers Group Offtopic mailing list >>> Post: [email protected] >>> Admin: http://delphi.org.nz/mailman/listinfo/offtopic >>> Unsubscribe: send an email to [email protected] with >>> Subject: unsubscribe >>> >>> >>> >>> >> _______________________________________________ >> NZ Borland Developers Group Offtopic mailing list >> Post: [email protected] >> Admin: http://delphi.org.nz/mailman/listinfo/offtopic >> Unsubscribe: send an email to [email protected] with >> Subject: unsubscribe >> >> >> >> > > _______________________________________________ > NZ Borland Developers Group Offtopic mailing list > Post: [email protected] > Admin: http://delphi.org.nz/mailman/listinfo/offtopic > Unsubscribe: send an email to [email protected] with > Subject: unsubscribe > > _______________________________________________ NZ Borland Developers Group Offtopic mailing list Post: [email protected] Admin: http://delphi.org.nz/mailman/listinfo/offtopic Unsubscribe: send an email to [email protected] with Subject: unsubscribe
