September 11, 2006 archive

SAN vs iSCSI. Any opinions?

I very often get email questions about SAN vs. iSCSI.  It’s funny that earlier, within minutes of completing a post on another site on the subject, I got queried in email about it.  I don’t see iSCSI making great inroads because it’s limited by the limitations of IP, that being that IP is a connectionless …

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TimeFinder / SRDF – Where does the Symm store the parings?

I replied to this on the Yahoo storage board, and wanted to share it.  Excepting in the case of Dynamic SRDF, the pairings are fixed, having been set by EMC when the CE installs the binfile.  These relationships are more or less hard-coded into the Symmetrix and can’t be changed without breaking the pairs and …

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Troubleshooting? Try actually figuring out the problem instead of guessing.

I’ve seen this time and time again both with people I work with and support personel. Figure out the damned problem, don’t throw rocks at it hoping you’ll get a hit.  When I was in tech-school my instructor called this “shotgun troubleshooting” and siad it’s a sure sign of an inept technical support person. When …

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Exchange backups a problem?

74 Gigs should *NOT* take 24 hours to back up.  Keep in mind, we are not going to tape, we are backing up to Disk Storage Units and then copying backup images from disk to tape later.  So tape bandwidth is not the issue here. I’ve been working on an exchange backup problem.  Now I …

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