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Thanks! Gee! yet another use for the W/R long commands. On 3/12/02 10:42 AM, "[EMAIL PROTECTED]" <[EMAIL PROTECTED]> wrote: > This message is from the T13 list server. > > > In the ATA RAID1 (disk mirroring) application, R/W Long has been used to > perform forced error on the rebuild drive in certain LBA (when the host > cannot get valid data from the corresponding LBA in source drive during the > mirror rebuild process). This will force the OS to recognize the error > situation when OS is trying to access the data from that LBA. Without R/W > Long, it will require a much more complicated error handling algorithm to > handle the situation. > > Raymond Liu > > -----Original Message----- > From: Hale Landis [mailto:[EMAIL PROTECTED]] > Sent: Tuesday, March 12, 2002 9:29 AM > To: [EMAIL PROTECTED]; Harlan Andrews; sraposo > Subject: Re: [t13] Read/Write Long > > > This message is from the T13 list server. > > > On Tue, 12 Mar 2002 09:15:21 -0800, Harlan Andrews wrote: >> This message is from the T13 list server. >> Although Read/Write long may have been deleted from the spec, it is STILL >> a requirement for several Host vendors. Drive suppliers should be very >> careful not to actually remove the Read/Write long commands. > > WHY? For what purpose do these host vendors still require these > commands? They have no value, can not really test anything (unless > the drive vendor has enhanced them in some way that is different than > the way the traditional R/W Long worked in which case they should > probably be using some vendor specific command code instead of the > old R/W Long command codes). > > > > *** Hale Landis *** www.ata-atapi.com *** > >
