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.
Enterprise-Level Features
Btrfs is a copy-on-write (COW) filesystem. Whereas a filesystem like ext3 logs block changes in a journal, Btrfs always writes changes to a block at a new location on the disk
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, the problem of writing a dump to an MD RAID or transferring larger kernel images ultimately proved unfixable.
Further attempts with Netdump (Red Hat) or Diskdump [3] in 2002 and 2004 also had only moderate
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.
Launch Ramp
PHP-FPM has been part of the official PHP package since PHP 5.4.0 and is therefore also included by most current Linux distributions and available through their package managers. The package
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, and the only difference between the Readme files of the two versions is the copyright. Unfortunately, the latest Tomcat bundle is version 3.0, released in 2007 (the current non-bundled package is 3
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machine, and the database can easily be installed on a separate host.
Setting up a Test Environment
The installation requirements of 128MB of free RAM and 256MB of free disk space, as cited
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were run on a virtual system (using ESX as the hypervisor) with fixed reservations for CPU and memory. To be more precise, I used a virtual CPU running at 1.5GHz and with 512MB of RAM in the virtual
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(Figure 3). In subsequent test runs, you can compare the results with a previously saved map; devices added or removed are listed in each category.
Figure 3
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for this article, my required space was approximately 300MB and just under 100MB for the temporary staging space.
Keep the temporary staging directory intact for future installations and customizations. The disk
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the older UFS filesystem rather than ZFS.
Built-In RAID
With FreeNAS, you can set up software RAID levels 0, 1, 3, and higher, but again, you need to be aware that hardware RAIDs are faster and safer ... Setting up your own NAS with FreeNAS 8.0.2
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and development on your local system.
Another free source of virtual appliances is the VMware Virtual Appliance Marketplace [3]. This site has tons of pre-rolled virtual appliances for VMware – everything from ... 0
