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| -rw-r--r-- | tools/index.html | 5 | ||||
| -rw-r--r-- | tools/lvm.html | 13 | ||||
| -rw-r--r-- | tools/qemu.html | 65 | ||||
| -rw-r--r-- | tools/storage.html | 17 |
4 files changed, 87 insertions, 13 deletions
diff --git a/tools/index.html b/tools/index.html index 2f84114..1c4eb00 100644 --- a/tools/index.html +++ b/tools/index.html @@ -78,8 +78,9 @@ </li> <li><a href="storage.html">Storage</a> <ul> - <li><a href="storage.html#maint">1. Maintenance</a></li> + <li><a href="storage.html#fsck">1. Maintenance</a></li> <li><a href="storage.html#mv">2. Moving data</a></li> + <li><a href="storage.html#resize">2. Resize</a></li> </ul> </li> <li><a href="lvm.html">LVM</a> @@ -88,7 +89,7 @@ <li><a href="lvm.html#pv">2. Create physical volume</a></li> <li><a href="lvm.html#vg">3. Create volume group</a></li> <li><a href="lvm.html#lv">4. Create logical volume</a></li> - <li><a href="lvm.html#maint">5. Maintenance</a></li> + <li><a href="lvm.html#fsck">5. Maintenance</a></li> </ul> </li> <li><a href="syslog-ng.html">Syslog-ng</a> diff --git a/tools/lvm.html b/tools/lvm.html index ed0f3c1..b6c7678 100644 --- a/tools/lvm.html +++ b/tools/lvm.html @@ -16,11 +16,6 @@ <a href="https://wiki.archlinux.org/index.php/Software_RAID_and_LVM">Arch Wiki</a> article about Sofware RAID and LVM.</p> - <p>Basic idea behind RAID is to deal with independent disks - as an array of drives. Raid 0 uses two or more disks as one, - with performance gains without fault-tolerance. From raid 1 - to 6 they offer diferent fault tolerance mechanisms.</p> - <p>LVM or Logic Volume Manager bring one more layer, read <a href="http://www.tuxradar.com/content/lvm-made-easy">Lvm made easy</a>. Partitions under lvm are easy to be resized, moved and there is @@ -28,6 +23,12 @@ disk names exp; production, development, backups...</p> + <p>Basic idea behind RAID is to deal with independent disks + as an array of drives. Raid 0 uses two or more disks as one, + with performance gains without fault-tolerance. From raid 1 + to 6 they offer diferent fault tolerance mechanisms.</p> + + <p>Until now "from install" there is only one partition, it is good idea to have a system with diferent partitions for each propos. If is a "fresh install";</p> @@ -127,7 +128,7 @@ # </pre> - <h2 id="maint">5. Maintenance</h2> + <h2 id="fsck">5. Maintenance</h2> <h3 id="resize">Resize</h3> diff --git a/tools/qemu.html b/tools/qemu.html index 2066a6e..e32d03f 100644 --- a/tools/qemu.html +++ b/tools/qemu.html @@ -53,7 +53,7 @@ <pre> $ sudo modprobe nbd - $ sudo qemu-nbd -c /dev/nbd0 /crux-img.qcow2 + $ sudo qemu-nbd -c /dev/nbd0 crux-img.qcow2 </pre> <p>Information about preparing @@ -124,6 +124,67 @@ $ sudo qemu-nbd -d /dev/nbd0 </pre> + <h3 id="resize">2.2. Resize images</h3> + + <p>Verify disk image information;</p> + + <pre> + $ qemu-img info c1-storage.qcow2 + </pre> + + <pre> + image: c1-storage.qcow2 + file format: qcow2 + virtual size: 10G (10737418240 bytes) + disk size: 7.6G + cluster_size: 65536 + Format specific information: + compat: 1.1 + lazy refcounts: false + refcount bits: 16 + corrupt: false + $ + </pre> + + <p>In this example is added 25G to the image;</p> + + <pre> + $ qemu-img resize c1-storage.qcow2 +25G + </pre> + + <p>Read <a href="lvm.html#resize">lvm resize</a> if image + is using lvm, or use resize2fs. If size is not provided to resize2fs, + by default it will grow file system to all partition;</p> + + <pre> + $ sudo qemu-nbd -c /dev/nbd0 /srv/qemu/img/c1-server.qcow2 + </pre> + + <pre> + # kpartx -a -s -l -u /dev/nbd0 + GPT:Primary header thinks Alt. header is not at the end of the disk. + GPT:Alternate GPT header not at the end of the disk. + GPT: Use GNU Parted to correct GPT errors. + + # parted /dev/nbd0 + GNU Parted 3.2 + Using /dev/nbd0 + Welcome to GNU Parted! Type 'help' to view a list of commands. + (parted) print + Warning: Not all of the space available to /dev/nbd0 appears to be used, you can + fix the GPT to use all of the space (an extra 16777216 blocks) or continue with + the current setting? + Fix/Ignore? Fix + + (parted) resize 3 100% + (parted) quit + </pre> + + <pre> + # resize2fs /dev/mapper/nbd0p3 + # e2fsck /dev/mapper/nbd0p3 + </pre> + <h2 id="net">3. Network</h2> <p>Network configuration;</p> @@ -164,7 +225,7 @@ ADDR=10.0.0.254 NET=10.0.0.0 - GW=192.168.1.254 + GW=10.0.0.1 MASK=24 # one tap for each cpu core diff --git a/tools/storage.html b/tools/storage.html index 109c6fa..2fc95d4 100644 --- a/tools/storage.html +++ b/tools/storage.html @@ -9,7 +9,7 @@ <h1>Storage</h1> - <h2 id="maint">1. Maintenance</h2> + <h2 id="fsck">1. Maintenance</h2> <p>SMART provides statistics of disk firmware, this system handle errors has their occur. Badblocks detect bad blocks @@ -30,14 +30,14 @@ <h2 id="mv">2. Moving data</h2> - <p>Temp partition with 20M-50M;</dd> + <p>Temp partition with 20M-50M;</p> <pre> (parted) mkpart primary ext4 4000MiB 4050MiB </pre> <p>Ports partition with 120G allows to host sources, package - backups and ports;</dd> + backups and ports;</p> <pre> (parted) mkpart primary ext4 192000MiB 312000MiB @@ -78,6 +78,17 @@ <p>Reboot in normal mode.</p> + <h2 id="resize">2. Resize filesystem</h2> + + <p>If partition is using lvm read + <a href="lvm.html#resize">lvm resize</a>, if you are using qemu + images read <a href="qemu.html#resize">resize images</a></p> + + <pre> + # resize2fs /dev/sda3 + # e2fsck /dev/sda3 + </pre> + <a href="index.html">Tools Index</a> <p> This is part of the c9-doc Manual. |