Re: Hitachi 7300 disk array ?
--0__=K6eVkTrBQslpLINH76Xt0gXE1k6scL7T4NW8XQDHdZnk97wii2UMVpbP Content-type: text/plain; charset=iso-2022-jp Content-Disposition: inline Thanks Paul. From what you say I shouldn't worry about going RAID5 in this case. Paul Watson <paulw@wfsoftware.com>$B$KJV?.$7$F$/$@$5$$(B $B08@h(B: informix-list@iiug.org cc: (bcc: michael martin/G/KMT/JP) $B7oL>(B: Re: Hitachi 7300 disk array ? --0__=K6eVkTrBQslpLINH76Xt0gXE1k6scL7T4NW8XQDHdZnk97wii2UMVpbP Content-type: text/plain; charset=us-ascii Content-Disposition: inline If these are the same as the Hitachi Data Systems Units then they are excellent, but wasteful of disk if used in a RAID1 or RAID10 config. The last time I eval'd them I was getting sub-millisecond disk response times, yes I know there's NVRAM in the way, but when I configured it RAID5 this fell to 2ms michael martin wrote: > > Hi listers, > > Sorry this is kinda off topic but it does include the dreaded > words "RAID 5". > > Is anyone out there using a Hitachi 7300 series disk array subsystem ? > > My illustrious colleagues are "comparing" an EMC 5830 with the > Hitachi 7300 but they seem to be committed to the Hitachi. > > And they are proposing to go with RAID 5 even though I > have hit them over the head with one of Art Kagel's eloquent > postings on why this is not a good idea. > > Anyway I would appreciate any comments/opinions/advice on the > Hitachi 7300. > > TIA > > Michael > > michael_martin@komatsu.co.jp -- Paul Watson # WF Software Ltd # You are only young once Tel: +44 1436 674728 # but you can be immature Fax: +44 1436 678693 # for ever www.wfsoftware.com # --0__=K6eVkTrBQslpLINH76Xt0gXE1k6scL7T4NW8XQDHdZnk97wii2UMVpbP--