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Author:Steve Radich - Founder BitShop, Inc.Created:1/9/2009 1:15 PM
Steve Radich, Founder of BitShop.com, ASPDeveloper.Net, and numerous other resource sites primary Blog

After you install PHP on IIS you may want to install phpMyAdmin somewhere.. This is a pretty simple process that's well documented..

However the most common error is 500 errors, which in reality tell you nothing. Here are some handy tips for a troubleshooting step I ran into today:

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Sometimes you may need to move your iSCSI targets to a different storage pool. The process is actually quite painless..

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This is what you REALLY don't want to see when replacing a failed drive in a RAIDZ (Raid5 like) array:

  pool: tank1
 state: DEGRADED
status: One or more devices has experienced an error resulting in data
        corruption.  Applications may be affected.
action: Restore the file in question if possible.  Otherwise restore the
        entire pool from backup.
   see: http://www.sun.com/msg/ZFS-8000-8A
 scrub: resilver in progress for 28h8m, 100.00% done, 0h0m to go
config: (note: 100% done doesn't mean done, I don't know who wrote the % done formula but it's useless).

        NAME             STATE     READ WRITE CKSUM
        tank1            DEGRADED     0     0 6.32K
          raidz1-0       DEGRADED     0     0 12.8K
            c7t8d0       DEGRADED     0     0     0  too many errors
            c7t4d0       DEGRADED     0     0     0  too many errors
            c7t10d0      FAULTED     27   563     0  too many errors
            c7t11d0      DEGRADED     0     0     0  too many errors
            c7t12d0      DEGRADED     0     0     0  too many errors
            replacing-5  DEGRADED     0     0     0
              c7t13d0    FAULTED      4 9.60K     0  too many errors
              c7t3d0     ONLINE       0     0     0  384G resilvered

errors: Permanent errors have been detected in the following files:

        /tank1/sqlbackups/...masked..._200911240001.BAK

So did we loose data? Read more..

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I was working on a something in VirtualBox mounting the disk via the built in iSCSI Initiator with the backing store on our COMSTAR / Open Storage / iSCSI Target on OpenSolaris and couldn't get above about 5k/second for disk writes.  Trying to install windows was going to take multiple days at this pace..

Various errors came up in trying to check the disk cache settings, nothing worked. Finally a breakthrough..

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So you thought we were done with programmers thinking a century changing would never happen, eh?  Well one of the SpamAssassin rules thinks 2010 is "grossly in the future".  How do you fix this?

 

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This is generally a fairly simple problem, the password in the database is using the older short hash method instead of the newer method.  To fix you just...

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If you are like most businesses, or even homes, a wireless bridge is a handy device - You may have a wireless network, but then you either need to tie in a second wire network to it, or perhaps just use the bridge for a single device (game systems used to be a common need). But what do you buy?

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So you get frustrated with your computer, server, network, whatever? Well, let's try this at a data center...

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Ever had to troubleshoot domain authentication failing due to time sync problems (perhaps like my last post about OpenSolaris NAS).  Well it turns out the OpenSolaris NAS wasn't the problem, everything else was.. How could SEVERAL machines times be off you ask? Well...

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I had a list server post tonight I saw asking:

our asp site is taking very high cpu usage what are the reasons for such high usage.

we have used stored procedures n also indexed the tables

 

is it possible to detect CPU usage and display a custom message to users in case it is very high to hold them for some time

I wanted to take a minute to answer a few things on this post since it's a fairly common question.

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