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en:services:storage_services:backup:tsm:admin:things [2022/02/10 07:56] – [LTO Speedmatching] bnachtw | en:services:storage_services:backup:tsm:admin:things [2022/02/11 08:49] (current) – ["real" LTO capacity measures] bnachtw | ||
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+ | ====== nice things to know ====== | ||
+ | ===== LTO Speedmatching ===== | ||
+ | LTO drive speed matching native data rates (MB/s / GB/h) | ||
+ | ^ Generation 9 *) ^ Generation 8 ^ Generation 7 ^ Generation 6 ^ Generation 5 ^ | ||
+ | | 408 / 1468 | 360 / 1296 | 306.00 / 1101.60 | ||
+ | | 385 / 1386 | 341 / 1228 | 287.52 / 1035.07 | ||
+ | | 366 / 1318 | 318 / 1145 | 268.56 / 966.82 | ||
+ | | 347 / 1249 | 306 / 1103 | 250.66 / 902.38 | ||
+ | | 325 / 1170 | 273 / 983 | 231.86 / 834.70 | ||
+ | | 305 / 1098 | 249 / 896 | 213.06 / 767.02 | ||
+ | | //284 / 1022// | ||
+ | | //263 / 947// | 203 / 731 | 175.46 / 631.66 | ||
+ | | //244 / 878// | 180 / 648 | 157.67 / 567.61 | ||
+ | | //223 / 803// | 157 / 567 | 138.52 / 498.67 | ||
+ | | //203 / 731// | 135 / 486 | 120.11 / 432.40 | ||
+ | | //177 / 637// | 112 / 403 | 101.46 / 365.26 | ||
+ | | | | | 49.23 / 177.23 | ||
+ | | | | | 40.00 / 144.00 | ||
+ | Sources:\\ [[https:// | ||
+ | [[https:// | ||
+ | [[https:// | ||
+ | [[https:// | ||
+ | [[https:// | ||
+ | Open Systems]] | ||
+ | |||
+ | *) Speedsteps below 305 mb/s for full hight drives only | ||
+ | |||
+ | ===== " | ||
+ | The values given are derived from a given number of tapes marked as //full// inside TSM | ||
+ | |||
+ | ^ Generation ^ LTO 9 ^ LTO 8 ^ LTO 7 ^ LTO 6 ^ LTO 5 ^ | ||
+ | | Minimum | ||
+ | | Maximum | ||
+ | | Average | ||
+ | | Median | ||
+ | | | | | | | | ||
+ | | native | ||
+ | | native compressed | ||
+ | | | | | | | | ||
+ | | //Number of Tapes// | ||
+ | |||
+ | ===== Enterprise Tape (Jaguar) Speedmatching ===== | ||
+ | Jaguar drive speed matching data rates (MB/s) depend on the media and the generation style used (see [1] -- [4]) | ||
+ | ^ media / Generation | ||
+ | | JE media @ Generation 6 | //up to 400MBps (1600 MBps)// | ||
+ | | JD media @ Generation 6 | //up to 400MBps (800 MBps)// | ||
+ | | JD media @ Generation 5.5 | -- | //up to 360MBps// | ||
+ | | JD media @ Generation 5 | -- | 112 -- 365 MBps | -- | 10 TB | | ||
+ | | JC media @ Generation 5 | -- | 99 -- 303 MBps | -- | 7 TB | | ||
+ | | JC media @ Generation 4 | -- | 90 -- 252 MBps | 76 -- 251 MBps | 4 TB | | ||
+ | | JB media @ Generation 4 | -- | -- | 74 -- 203 MBps | 1.6 TB | | ||
+ | | JB media @ Generation 3 | -- | -- | 41 -- 163 MBps | 1 TB | | ||
+ | |||
+ | * [1] https:// | ||
+ | * [2] https:// | ||
+ | * [3] https:// | ||
+ | * [4] https:// |