DLT drive replacement I am replacing a failed DLT 7000 drive with a known good drive. This page documents the steps, detailing the screws and their locations. I took these photos as I installed the drive, not as I removed it. Thus, some items may look out of place. I’ll present the photos in reverse […]
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Replacing a DLT drive – selecting the right drive The tape drive in my Digital DLT MiniLibrary (Model DS-TL891-NE) has died. Not totally dead. It just doesn’t respond to the library. It ends up with three flashing lights (Write Protected, Tape In Use, and Use Cleaning Tape) and the system can’t load a tape. Fortunately,
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NRPE: Unable to read output – The followup Last week, I wrote about a problem with NRPE reporting NRPE: Unable to read output. Harold Paulson encountered the same issue yesterday. I was able to help him debug it today. We found a solution: a full path to sudo. We both had the same situation. Checking
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NRPE: Unable to read output In a sudden flash of inspiration, I realized I could replace some cronjobs and emails with a Nagios plugin. This article assumes you know about Nagios and how to write a plugin. The main goal here is to show you a debugging approach I found. The problem The problem was
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ZFS: promote – for getting rid of snapshots, but not the data When I built the Kraken ZFS file server, I used a snapshot to copy the data over. Those snapshots are still hanging around. I’d like to get rid of them. I can do that with zfs promote. This article documents how I did
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ZFS: upgrade Yesterday I upgraded my file server to the latest version of FreeBSD (8.1-STABLE #0: Sat Sep 18 23:43:48 EDT 2010) by building world and installing. My goal was to get a recently MFC’d feature related to scrubbing of pools. I tried to find the original commit message but failed. But Revision 211800 seems
3Ware Nagios plugin I use Nagios to monitor my servers and work stations. If something goes wrong, I usually get told by Nagios before I notice the problem myself. A week or so back, I noticed a rather odd RAID problem. Eventually, the problem was solved by upgrading the firmware on the controller. In the
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Where is my SCSI card? At the start of the month, Jerry was over helping me to add more HDD to my Bacula Storage Daemon. As part of that process, I moved my tape library from my Bacula server over to the Storage Daemon. This required the transfer of a SCSI card from one machine
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ZFS: Resizing your zpool I’m about to rebuild my ZFS array (which I documented in my other diary). The array has been running for a while, but I recently learned some new facts about ZFS which spurred me on to rebuilding my array with future-proofing in mind. This is my plan for tonight. As I
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ZFS: do not give it all your HDD I’m about to rebuild my ZFS array (which I documented in my other diary). The array has been running for a while, but I recently learned some new facts about ZFS which spurred me on to rebuilding my array with future-proofing in mind. This is my plan
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