Open Source

mirroring the hard drive

2 Comments / FreeBSD, hardware, Open Source, ZFS / By / /

Tonight’s goals: Install a second HDD get gmirror running install the remaining 5x2TB HDD add the two RAID cards After adding in the second HDD for the OS, dmesg shows this: ad4: 76319MB <seagate ST380815AS 4.AAB> at ata2-master UDMA100 SATA 3Gb/s acd0: DVDR <tsstcorp CDDVDW SH-S223C/SB01> at ata3-master UDMA100 SATA 1.5Gb/s ad8: 152587MB <wdc WD1600AAJS-75M0A0 02.03E02> at ata4-master UDMA100 SATA 3Gb/s The following shows me I’m booting from ad4, so ad8 must be […]

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FreeBSD installed on the server

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Tonight I managed to: install a DVD-RW drive install 1x 80GB SATA drive connect all the chassis cables to the motherboard install the network card install FreeBSD 8.0-RELEASE start the upgrade process to FreeBSD 8.0-STABLE install a few ports: bash, joe, sudo The photos from tonight. Here is the output from /var/run/dmesg.boot Copyright (c) 1992-2009 The FreeBSD Project. Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994 The Regents of

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HAST – High Availability Storage

2 Comments / FreeBSD, Open Source, PostgreSQL / By / /

HAST has just been added to FreeBSD: HAST allows to transparently store data on two physically separated machines connected over the TCP/IP network. Those two machines together will be called a cluster and each machine is one cluster node. HAST works in Primary-Secondary (Master-Backup, Master-Slave) configuration, which means that only one of the cluster nodes can be active at any given time. Active node will be called Primary node. This is the node

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Tower Case with a cheaper faster CPU

Leave a Comment / Mountain Bikes, Open Source / By / /

I recently wrote about a tower case solution which sliced $500 off the cost. Last night we found an ASUS m/b for a Phenom II which supports ECC. This will be a cheaper faster solution. I will, however, have to buy a NIC. This NIC runs a Realtek chipset. No thanks. LIAN LI PC-A71F Black Aluminum ATX Full Tower Computer Case $240 (from mwave) Silencer 610 EPS12V from PC Power and Cooling for

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openvpn replay

1 Comment / Open Source, OpenVPN / By /

I’ve started seeing these messages recently: openvpn[2688]: latens.example.org/10.99.36.17:60467 Authenticate/Decrypt packet error: bad packet ID (may be a replay): [ #999 ] — see the man page entry for –no-replay and –replay-window for more info or silence this warning with –mute-replay-warnings After reading the man page, I decided to add the following and restart openvpn: replay-window 64 20 We’ll see….

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Bacula Configuration

3 Comments / Bacula, Open Source / By /

Bacula uses flat text files for configuration. From time to time, people, usually new to the project, ask: why isn’t the configuration in the database? Bacula uses the database to store information about what files were backed up, from what client, and when. This information is useful when you need to know how if you have a copy of a file from last Tuesday before you wrote crap into it but after you

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Bacula Retention Periods

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Bacula is a backup system with three different retention periods: Volume Job File I set all three to the same value. It is important to note that these values affect only the Catalog. It determines how long a given record is held in the database. For example, if you set File Retention to be 45 days, it means that there are no records in the database for any files backed up in any

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