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- 15:52, 16 August 2023 Encrypted Arrays with LSI SafeStore (hist | edit) [27 bytes] Digimer (talk | contribs) (Created page with "#!REDIRECT LSI SafeStore")
- 14:56, 16 August 2023 Anvil! Cluster (hist | edit) [50 bytes] Digimer (talk | contribs) (Redirected page to What is an Anvil! and why do I care?) Tag: New redirect
- 03:19, 16 August 2023 MAC (hist | edit) [474 bytes] Digimer (talk | contribs) (Created page with "{{header}} MAC is an acronym for '''M'''edia '''A'''ccess '''C'''ontrol. This is a 32 bit hexadecimal identifying string that is unique to every network device. This address is used in networking for locating a device when it does not have an IP address. MAC addresses are not routeable, thus, MAC addresses are only useful on the subnet the device is on. For more information, please see the [http://en.wikipedia.org/wiki/MAC_address wikipedia] entry. {{footer}}")
- 02:59, 16 August 2023 Internet-Facing Network (hist | edit) [17 bytes] Digimer (talk | contribs) (Redirected page to IFN) Tag: New redirect
- 02:58, 16 August 2023 Storage Network (hist | edit) [16 bytes] Digimer (talk | contribs) (Redirected page to SN) Tag: New redirect
- 02:58, 16 August 2023 Migration Network (hist | edit) [16 bytes] Digimer (talk | contribs) (Redirected page to MN) Tag: New redirect
- 02:58, 16 August 2023 Back-Channel Network (hist | edit) [17 bytes] Digimer (talk | contribs) (Redirected page to BCN) Tag: New redirect
- 02:56, 16 August 2023 What is an Anvil! and why do I care? (hist | edit) [138,456 bytes] Digimer (talk | contribs) (Created page with "{{howto_header}} The most basic answer to this question is; * An ''Anvil!'' is one of the most resilient platforms for running servers on. If you have a server that, if it failed, would really hurt, you probably want to put it on an ''Anvil!'' system. Now, the longer answer. = Overview = The Anvil! platform is an Intelligent Availability platform. This means it has the following core features; * It proactively protects hosted servers. It predicts failures where...")
- 02:55, 16 August 2023 Bit (hist | edit) [128 bytes] Digimer (talk | contribs) (Created page with "{{header}} A 'Bit' is a single Base-2 'BInary DigiT'; 0 or 1. See 'Binary' for more information. {{footer}}")
- 02:54, 16 August 2023 ECC (hist | edit) [500 bytes] Digimer (talk | contribs) (Created page with "{{header}} [https://en.wikipedia.org/wiki/Error-correcting_code Error correcting code] is a mechanism for transmitting additional, redundant data that allows for the detection of errors. In most cases, ECC allows the automatic correction of single-byte errors without requiring the corrupted data being retransmitted. It is often found in enterprise-grade memory, often referred to as "ECC RAM". The same technology is used in many different system components, like sto...")
- 02:52, 16 August 2023 FBU (hist | edit) [633 bytes] Digimer (talk | contribs) (Created page with "{{header}} '''F'''lash '''B'''ack '''U'''p, or FBU, is a a technology used to protect cached data on a RAID controller. Specifically, if power is lost while disk writes are still in a RAID controller's memory, FBU provides sufficient power, generally via a capacitor bank, to keep the controller alive long enough to copy the contents of the cache to an on-board solid-state storage device. When power is restored to the system, the RAID controller will see this cached...")
- 02:41, 16 August 2023 LSI SafeStore (hist | edit) [25,006 bytes] Digimer (talk | contribs) (Created page with "{{howto_header}} This covers how to use LSI's [http://www.lsi.com/products/raid-controllers/pages/megaraid-safestore-software.aspx SafeStore] controller option along with Seagate [http://www.seagate.com/ca/en/tech-insights/protect-data-with-seagate-secure-self-encrypting-drives-master-ti/ Self-Encrypting Drives] (SED). This provides protection of drive contents at rest and enables [http://www.seagate.com/ca/en/tech-insights/data-protection-instant-secure-erase-master-ti...")
- 02:40, 16 August 2023 SAS (hist | edit) [159 bytes] Digimer (talk | contribs) (Created page with "{{header}} [https://en.wikipedia.org/wiki/Serial_Attached_SCSI SAS] is an interface standard used principally by enterprise-grade storage devices. {{footer}}")
- 02:40, 16 August 2023 SATA (hist | edit) [148 bytes] Digimer (talk | contribs) (Created page with "{{header}} [https://en.wikipedia.org/wiki/Serial_ATA SATA] is an interface standard used principally by consumer-grade storage devices. {{footer}}")
- 02:40, 16 August 2023 Inverter (hist | edit) [38 bytes] Digimer (talk | contribs) (Redirected page to Boolean Algebra#Inverter) Tag: New redirect
- 02:39, 16 August 2023 XNOR (hist | edit) [34 bytes] Digimer (talk | contribs) (Redirected page to Boolean Algebra#XNOR) Tag: New redirect
- 02:39, 16 August 2023 XOR (hist | edit) [33 bytes] Digimer (talk | contribs) (Redirected page to Boolean Algebra#XOR) Tag: New redirect
- 02:39, 16 August 2023 NOR (hist | edit) [33 bytes] Digimer (talk | contribs) (Redirected page to Boolean Algebra#NOR) Tag: New redirect
- 02:38, 16 August 2023 OR (hist | edit) [32 bytes] Digimer (talk | contribs) (Redirected page to Boolean Algebra#OR) Tag: New redirect
- 02:38, 16 August 2023 AND (hist | edit) [33 bytes] Digimer (talk | contribs) (Redirected page to Boolean Algebra#AND) Tag: New redirect
- 02:37, 16 August 2023 NAND (hist | edit) [34 bytes] Digimer (talk | contribs) (Redirected page to Boolean Algebra#NAND) Tag: New redirect
- 02:37, 16 August 2023 Boolean Algebra (hist | edit) [3,613 bytes] Digimer (talk | contribs) (Created page with "{{header}} ''' Boolean Algebra ''' These are the various 'logic gates' used to create all computer logic. At their core, they are all made up of the 'NAND' gate. = Logic Gates = : Logic gates can be represented by showing two input lines and one output line followed by a table showing what electrical/binary state the inputs must be in to effect a certain output state. In these 'Truth Tables', the two inputs are represented as inputs 'A' and 'B', and the output is...")
- 02:36, 16 August 2023 Write-back caching (hist | edit) [2,012 bytes] Digimer (talk | contribs) (Created page with "{{header}} Write-back caching is a technology used in disk storage to improve performance. It works by providing an amount of high-speed, volatile memory used to store data destined for non-volatile storage on relatively slow hard drives or solid state drives. Write-back caching is particularly useful on traditional platter-based hard drives and RAID arrays where highly random write access is expected. It allows for writes to be buffered, masking the performance lo...")
- 02:34, 16 August 2023 MN (hist | edit) [403 bytes] Digimer (talk | contribs) (Created page with "{{howto_header}} '''MN''' is an acronym for "Migration Network". In Anvil! clustering, this is the optional (but recommended) subnet used for copying a server's RAM during a live-migration. This is generally connected back-to-back between the two subnodes in an Anvil! node. This is done to allow for maximum bandwidth and minimal latency to facilitate as fast as possible live migrations. {{footer}}")
- 02:27, 16 August 2023 SN (hist | edit) [354 bytes] Digimer (talk | contribs) (Created page with "{{howto_header}} '''SN''' is an acronym for "Storage Network". In Anvil! clustering, this is the subnet used for storage network traffic. Specifically, this is used for the DRBD replication traffic. Given the large amount of bandwidth needed for replicated storage, it is generally a good idea to use this network for no other purpose. {{footer}}")
- 02:26, 16 August 2023 BCN (hist | edit) [324 bytes] Digimer (talk | contribs) (Created page with "{{howto_header}} '''BCN''' is an acronym for "Back-Channel Network". In Anvil! clustering, this is the subnet used for inter-node cluster communication as well as other non-storage related cluster network traffic. It should be completely isolated from any networks exposed to the internet for security reasons. {{footer}}")
- 02:24, 16 August 2023 IFN (hist | edit) [464 bytes] Digimer (talk | contribs) (Created page with "{{howto_header}} '''IFN''' is an acronym for "Internet-Facing Network" (or "Intranet-Facing Network"). In Anvil! clustering, this is the subnet used for all untrusted network traffic. Generally, as the name implies, this network has access to the Internet or other untrusted networks. No cluster or storage related traffic should use this network. This is the network used for all traffic to and from the servers hosted on the Anvil! cluster nodes. {{footer}}")
- 02:22, 16 August 2023 YB (hist | edit) [265 bytes] Digimer (talk | contribs) (Created page with "{{header}} SI base2 notation for <span class="code">yottabyte</span>s. * YB = yottabyte (10^24 / 1,000,000,000,000,000,000,000,000 bytes) See the following article for a fill list of IEC and SI data size notations: * IEC and SI Size Notations {{footer}}")
- 02:22, 16 August 2023 ZB (hist | edit) [261 bytes] Digimer (talk | contribs) (Created page with "{{header}} SI base2 notation for <span class="code">zettabyte</span>s. * ZB = zettabyte (10^21 / 1,000,000,000,000,000,000,000 bytes) See the following article for a fill list of IEC and SI data size notations: * IEC and SI Size Notations {{footer}}")
- 02:22, 16 August 2023 EB (hist | edit) [255 bytes] Digimer (talk | contribs) (Created page with "{{header}} SI base2 notation for <span class="code">exabyte</span>s. * EB = exabyte (10^18 / 1,000,000,000,000,000,000 bytes) See the following article for a fill list of IEC and SI data size notations: * IEC and SI Size Notations {{footer}}")
- 02:21, 16 August 2023 PB (hist | edit) [252 bytes] Digimer (talk | contribs) (Created page with "{{header}} SI base2 notation for <span class="code">petabyte</span>s. * PB = petabyte (10^15 / 1,000,000,000,000,000 bytes) See the following article for a fill list of IEC and SI data size notations: * IEC and SI Size Notations {{footer}}")
- 02:21, 16 August 2023 TB (hist | edit) [248 bytes] Digimer (talk | contribs) (Created page with "{{header}} SI base2 notation for <span class="code">terabyte</span>s. * TB = terabyte (10^12 / 1,000,000,000,000 bytes) See the following article for a fill list of IEC and SI data size notations: * IEC and SI Size Notations {{footer}}")
- 02:21, 16 August 2023 GB (hist | edit) [244 bytes] Digimer (talk | contribs) (Created page with "{{header}} SI base2 notation for <span class="code">gigabyte</span>s. * GB = gigabyte (10^9 / 1,000,000,000 bytes) See the following article for a fill list of IEC and SI data size notations: * IEC and SI Size Notations {{footer}}")
- 02:20, 16 August 2023 MB (hist | edit) [240 bytes] Digimer (talk | contribs) (Created page with "{{header}} SI base2 notation for <span class="code">megabyte</span>s. * MB = megabyte (10^6 / 1,000,000 bytes) See the following article for a fill list of IEC and SI data size notations: * IEC and SI Size Notations {{footer}}")
- 02:20, 16 August 2023 KB (hist | edit) [236 bytes] Digimer (talk | contribs) (Created page with "{{header}} SI base2 notation for <span class="code">kilobyte</span>s. * KB = kilobyte (10^3 / 1,000 bytes) See the following article for a fill list of IEC and SI data size notations: * IEC and SI Size Notations {{footer}}")
- 02:19, 16 August 2023 Base10 (hist | edit) [21 bytes] Digimer (talk | contribs) (Redirected page to Base-10) Tag: New redirect
- 02:18, 16 August 2023 YiB (hist | edit) [265 bytes] Digimer (talk | contribs) (Created page with "{{header}} IEC base2 notation for <span class="code">yebibyte</span>s. * YiB = yebibyte (2^80 / 1,208,925,819,614,629,174,706,176 bytes) See the following article for a fill list of IEC and SI data size notations: * IEC and SI Size Notations {{footer}}")
- 02:18, 16 August 2023 ZiB (hist | edit) [261 bytes] Digimer (talk | contribs) (Created page with "{{header}} IEC base2 notation for <span class="code">zebibyte</span>s. * ZiB = zebibyte (2^70 / 1,180,591,620,717,411,303,424 bytes) See the following article for a fill list of IEC and SI data size notations: * IEC and SI Size Notations {{footer}}")
- 02:18, 16 August 2023 EiB (hist | edit) [256 bytes] Digimer (talk | contribs) (Created page with "{{header}} IEC base2 notation for <span class="code">exbibyte</span>s. * EiB = exbibyte (2^60 / 1,152,921,504,606,846,976 bytes See the following article for a fill list of IEC and SI data size notations: * IEC and SI Size Notations {{footer}}")
- 02:17, 16 August 2023 PiB (hist | edit) [253 bytes] Digimer (talk | contribs) (Created page with "{{header}} IEC base2 notation for <span class="code">pebibyte</span>s. * PiB = pebibyte (2^50 / 1,125,899,906,842,624 bytes) See the following article for a fill list of IEC and SI data size notations: * IEC and SI Size Notations {{footer}}")
- 02:17, 16 August 2023 TiB (hist | edit) [247 bytes] Digimer (talk | contribs) (Created page with "{{header}} IEC base2 notation for <span class="code">tebibyte</span>s. TiB = tebibyte (2^40 / 1,099,511,627,776 bytes) See the following article for a fill list of IEC and SI data size notations: * IEC and SI Size Notations {{footer}}")
- 02:16, 16 August 2023 MiB (hist | edit) [241 bytes] Digimer (talk | contribs) (Created page with "{{header}} IEC base2 notation for <span class="code">mebibyte</span>s. * MiB = mebibyte (2^20 / 1,048,576 bytes) See the following article for a fill list of IEC and SI data size notations: * IEC and SI Size Notations {{footer}}")
- 02:16, 16 August 2023 KiB (hist | edit) [237 bytes] Digimer (talk | contribs) (Created page with "{{header}} IEC base2 notation for <span class="code">kibibyte</span>s. * KiB = kibibyte (2^10 / 1,024 bytes) See the following article for a fill list of IEC and SI data size notations: * IEC and SI Size Notations {{footer}}")
- 02:15, 16 August 2023 IEC and SI Size Notations (hist | edit) [1,545 bytes] Digimer (talk | contribs) (Created page with "{{header}} How data sizes are shortened varies depend on whether the program or author is using base2 and base10 notation. The short-form notation followed by it's English long-form name for each type is listed below. Then it shows in the braces the X to the power of Y value that it represents followed, finally, by the exact number of bytes represented. = base2 Notation = <span class="text"> IEC Notation Size -------------- --------------------------------...")
- 02:15, 16 August 2023 Base2 (hist | edit) [20 bytes] Digimer (talk | contribs) (Created page with "{{header}} Base-2 is a counting system made up of only two digits, '0' and '1'. This is in contrast with the Roman 'Base-10' counting system that uses 10 digits, 0-9. Base-2 is used to represent binary values. {{footer}}")
- 02:14, 16 August 2023 GiB (hist | edit) [243 bytes] Digimer (talk | contribs) (Created page with "{{header}} IEC base2 notation for <span class="code">gibibyte</span>s. GiB = gibibyte (2^30 / 1,073,741,824 bytes) See the following article for a fill list of IEC and SI data size notations: * IEC and SI Size Notations {{footer}}")
- 01:55, 16 August 2023 TLUG Talk: Storage Technologies and Theory (hist | edit) [50,364 bytes] Digimer (talk | contribs) (Created page with "{{talk_header}} '''Note''': This talk is quite old, and much has happened in storage tech since this talk was given. This was the first IT-related public talk I gave and as such, it's not my favourite work. I present it here though for historical reasons. Take it all with a healthy grain a salt. '''''Storage Technologies and Theory'''''<br /> '''An AN!Speech to TLUG, May 2002''' = Introduction = Good day! I wanted to speak with you all today to help you make a more e...")
- 01:54, 16 August 2023 Write-back (hist | edit) [2,012 bytes] Digimer (talk | contribs) (Created page with "{{header}} Write-back caching is a technology used in disk storage to improve performance. It works by providing an amount of high-speed, volatile memory used to store data destined for non-volatile storage on relatively slow hard drives or solid state drives. Write-back caching is particularly useful on traditional platter-based hard drives and RAID arrays where highly random write access is expected. It allows for writes to be buffered, masking the performance lo...")
- 01:54, 16 August 2023 IOPS (hist | edit) [428 bytes] Digimer (talk | contribs) (Created page with "{{howto}} IOPS is an acronym for '''I'''nput/output '''O'''perations '''P'''er '''S'''econd. It is a measure of storage performance used to indicate how many read and how many write operations can be serviced, on average, per second. This measurement is particularly important for storage backing services with highly random reads and writes. To learn more: * [https://en.wikipedia.org/wiki/IOPS IOPS on Wikipedia] {{footer}}")
- 01:50, 16 August 2023 Split-brain (hist | edit) [2,778 bytes] Digimer (talk | contribs) (Created page with "{{howto_header}} {{warning|1=A "split-brain" condition is a potentially catastrophic event in clustering.}} It is a particular risk in two-node clusters, but can occur in larger clusters if quorum is not honoured. This section uses language specific to two node split-brain conditions, but "node" could be replaced with "partition" to describe a subsection of a cluster and still be accurate. A split-brain is a state in which two nodes lose contact with one another a...")