Over the years, I have learned not to rely on hostnames for important services. Hosts go away, new ones come in. I want to rely on, what I refer to as, service names. For example, instead of relying on a hostname for my ntp server, I have: $ host time time.int.unixathome.org has address 10.55.0.1 This hostname, or service name, appears in /etc/ntp.conf on every physical host in my network. time.int.unixathome.org is not a […]
Service names vs host names Read More »
This post talks about how I reduced the power consumption on my Dell R720 by adjusting the configuration settings. In this post: Dell R720 Sources I found Taming a 12th gen Dell PowerEdge when I was researching data cables for the SAS card I was going to use. For the record, the cables referred to in that post are wrong for what I used. I bought a pair of DELL POWEREDGE R520 R530
Dell R720 – reducing power consumption Read More »
I like to build systems that boot using drives directly connected to the M/B. No HBA, no SATA cards, etc. I like the simplicity involved. Sometimes that target is hard to achieve. The first step to configuring the R720 was upgrading the firmware. I spent time on hardware selection, including power and data sources. I also spent time looking at NVMe booting, but abandoned that idea. Earlier this week, enough hardware had arrived
Installing internal PCI Slot SSD drive enclosures in a Dell R720 Read More »
This post has been replaced by a new one. This replaces a previous post. I’ve been given a Dell PowerEdge 720. It contains 8 x 400GB SSDs and one 80GB SSD for the OS. I’ve added in a SAS 9207-8i card, as mentioned previously. The zpool: The filesystems: And dmesg:
This post has been replaced by a new one. I’ve been given a Dell PowerEdge 720. It contains 8 x 400GB SSDs. I’ve added in a SAS 9207-8i card, as mentioned yesterday. FreeBSD is not installed. I booted the system up via mfsBSD and had a look at dmesg output.
I have obtained a Dell R720 containing 10 x 400GB SSDs. The drives are connected to a RAID controller (H710P) which cannot do JBOD / IT mode. This means the drives are effectively hidden from ZFS, which is never good. In this post: FreeBSD 12.0 ZFS Dell R720 SAS 9207-8i This post describes past work and future plans for this server as I get it ready to be a general purpose server running
Preparing the Dell R720 for ZFS Read More »
See also: Updating firmware etc on a Dell R730 I started writing this blog about a month ago. Last night, I did the firmware upgrade completely forgetting I had this draft post in my blog. Instead of reading this, I wound up doing something very similar, and pretty much lived tweeted it. After upgrading the IDRAC to the latest, I then went into the LifeCycle Controller and upgraded nearly all the things. However,
Updating firmware etc on a Dell R720 Read More »
I have scripts for monitoring vulns in FreeBSD jails. They use third-party scripts. All I wrote was the Nagios part of the solution. I was preparing slides for my Why I prefer thick jails over thin jails talk at EuroBSDCon 2019. There is still time to register and attend. I was explaining my scripts and was providing links to gist.github.com … I realized I should create a repo: https://github.com/dlangille/freebsd-nagios-jail These scripts do the
scripts for monitoring vulns in FreeBSD jails Read More »
zi0r suggested I use hooks to accomplish my patches-outside-distfiles question. In this post: FreeBSD 12.0 poudriere 3.3.2 I started reading the documentation and played with the supplied sample files in /usr/local/etc/poudriere.d/hooks. For background, see FreeBSD custom port patches when using poudriere. Eventually I came up with this solution: mkdir during the start phase mount during the mount phase I put stuff into a gist first, then created this post. The hook This is
On supernews a drive acted up over night. The main purpose of this post is for me to record the information. You might not find much useful here. The host is running FreeBSD 12 and is a FreshPorts development box. I saw this error in the logs: smart emailed me because I set that up some time ago. The email looked like this: This message was generated by the smartd daemon running on:
3Ware device degraded Read More »