Ranting and raving about storage and technology.

Category: Symmetrix

Oct 17

Is Microsoft VSS a real Snap? Maybe. Does it suck? Absolutly!

By Jesse in Backup, Microsuck, Symmetrix, TimeFinder

I can’t even talk during the day because of the great sucking sound coming from our microsoft infrastructure. From a storage end, it’s even harder, because natively Microsoft doesn’t have ANY tools to unmount a filesystem or quiesce a production volume so you can take a hardware based snapshot of it. Of course they’ve introduced …

2 comments

Sep 22

For the last time – Raid-S does not mean “STRIPED”

By Jesse in RAID, Symmetrix

RAID-S isn’t striped.Â If it were it would be Raid-5. EMC utilized Raid-S as a stop-gap to the fact that they didn’t offer Raid5. (the constant XOR computations slowed down performance – until the faster DMX line came up which now allows for both 3+1 and 7+1 raid5. Raid-S takes three volumesand computes a parity …

9 comments

Yes, Including that one.

I am usually (but not currently) a consultant for EMC, but the opinions expressed here are entirely my own.

I'm vendor agnostic. I don't get into religious arguments about what is best for other people. That's a stupid argument. Different technologies work better for different people, and who am I to judge.

This is my blog, and reflects my personal opinions and observations. Content published here is not read or approved in advance by My employer, and (probably) does not reflect the views and opinions of anyone who isn't me.

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Category: Symmetrix

Is Microsoft VSS a real Snap? Maybe. Does it suck? Absolutly!

For the last time – Raid-S does not mean “STRIPED”

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