hi, 2014-12-29 11:33 GMT+01:00 <[email protected]>:
> Hi, > > these are my test results for the hdd speed with the Marvel PMP MV88SM9602: > > Driver information: > > hdparm -I /dev/sda > > /dev/sda: > > ATA device, with non-removable media > Model Number: WD10JPVT-00MS8T0 > Serial Number: WD-WXB1A1356953 > Firmware Revision: > Standards: > Supported: 9 8 7 6 > Likely used: 9 > Configuration: > Logical max current > cylinders 16383 16383 > heads 16 16 > sectors/track 63 63 > -- > CHS current addressable sectors: 16514064 > LBA user addressable sectors: 268435455 > LBA48 user addressable sectors: 1953525168 > device size with M = 1024*1024: 953869 MBytes > device size with M = 1000*1000: 1000204 MBytes (1000 GB) > Capabilities: > LBA, IORDY(can be disabled) > Queue depth: 32 > Standby timer values: spec'd by standard, with device specific > minimum > R/W multiple sector transfer: Max = 16 Current = 0 > AdvancedPM level: unknown setting (0x0060) > DMA: mdma0 mdma1 mdma2 udma0 udma1 udma2 udma3 udma4 udma5 *udma6 > Cycle time: min=120ns recommended=120ns > PIO: pio0 pio1 pio2 pio3 pio4 > Cycle time: no flow control=120ns IORDY flow control=120ns > Commands/features: > Enabled Supported: > * NOP cmd > * READ BUFFER cmd > * WRITE BUFFER cmd > * Host Protected Area feature set > * Look-ahead > * Write cache > * Power Management feature set > Security Mode feature set > * SMART feature set > * FLUSH CACHE EXT cmd > * Mandatory FLUSH CACHE cmd > * Device Configuration Overlay feature set > * 48-bit Address feature set > SET MAX security extension > * SET FEATURES subcommand required to spinup after power up > Power-Up In Standby feature set > * Adv. Power Management feature set > * DOWNLOAD MICROCODE cmd > * General Purpose Logging feature set > * SMART self-test > * SMART error logging > Security: > Master password revision code = 65534 > supported > not enabled > not locked > not frozen > not expired: security count > supported: enhanced erase > 178min for SECURITY ERASE UNIT. 178min for ENHANCED SECURITY ERASE > UNIT. > Checksum: correct > > Speed tests (reading): > > # hdparm -tT /dev/sda > > /dev/sda: > Timing buffer-cache reads: 348 MB in 0.51 seconds = 695658 kB/s > Timing buffered disk reads: 294 MB in 3.00 seconds = 100205 kB/s > # > > time dd if=tempfile of=/dev/null bs=1M count=1024 > 1024+0 records in > 1024+0 records out > real 0m 18.84s > user 0m 0.03s > sys 0m 5.68s > > Writing: > > time dd if=/dev/zero of=tempfile bs=1M count=1024 conv=fsync,notrunc > 1024+0 records in > 1024+0 records out > real 1m 33.33s > user 0m 0.02s > sys 0m 6.21s > > If you need some special test (we don't use raid for example) ask - i'll > perform these tests if possible. > > Is possible have this tests with same hd , but without PMP? regards Gerardo Di Iorio Tobias > > > > Am Donnerstag, 25. Dezember 2014 12:01:34 UTC+1 schrieb Tobias Andresen: > >> Yes, thats right. Forgot this to mention. Our custom A20 board has always >> a port multiplier on it. >> >> 2014-12-25 10:59 GMT+01:00 Hans de Goede <[email protected]>: >> >>> Hi, >>> >>> On 25-12-14 10:48, [email protected] wrote: >>> >>>> I'll check this on Monday and post the results. >>>> >>> >>> 3.19 has this patch: >>> >>> https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux. >>> git/commit/drivers/ata/ahci_sunxi.c?id=35c16a8f0b994461d49ce2479c6790 >>> 3f95045159 >>> >>> Which allows you to specify ahci_sunxi.enable_pmp=1 on the kernel >>> commandline for use with port multipliers. >>> >>> I've been running my own tests with a port multiplier, and the reason why >>> the original allwinner code has the AHCI_HFLAG_NO_PMP flag is because >>> while port multipliers will work without it, normal disks will break if >>> that flag is not set. So I've added a module option which >>> will remove the flag when set for use with port multipliers. >>> >>> Regards, >>> >>> Hans >>> >>> >>> >>>> Am Mittwoch, 24. Dezember 2014 15:37:26 UTC+1 schrieb arete74: >>>> >>>>> >>>>> hi, you can report the speed transfer with sata pm? >>>>> >>>>> regards >>>>> >>>>> 2014-12-23 22:03 GMT+01:00 <[email protected] <javascript:>>: >>>>> >>>>> The A20 supports PMP, just remove the Flag AHCI_HFLAG_NO_PMP in the >>>>>> sunxi >>>>>> ahci driver. >>>>>> Please take a look in the Manual of the A20 (6.15.1). The SATA >>>>>> interface >>>>>> has the following specification: >>>>>> Comply with SATA Spec. 2.6, and AHCI Revision 1.3 specifications >>>>>> >>>>>> This includes the PMP support. >>>>>> >>>>>> We are using a Marvel PMP and it works fine - both disks are detected >>>>>> and >>>>>> work. >>>>>> >>>>>> Regards >>>>>> >>>>>> Tobias >>>>>> >>>>>> Am Dienstag, 23. Dezember 2014 11:55:58 UTC+1 schrieb bruce bushby: >>>>>> >>>>>> >>>>>>> >>>>>>> Any progress on this? I found this thread: >>>>>>> http://forum.lemaker.org/thread-9207-1-1-.html >>>>>>> >>>>>>> Which states: >>>>>>> "....the patch seems to work with the latest 3.18 kernel from >>>>>>> Torvalds' >>>>>>> git (3.18.0.-rc5) possibly with some earlier versions..." >>>>>>> >>>>>>> >>>>>>> 1. [ 1.735879] ata1: SATA link up 3.0 Gbps (SStatus 123 >>>>>>> SControl >>>>>>> 300) >>>>>>> 2. [ 1.742372] ata1.15: Port Multiplier 1.2, 0x197b:0x0325 >>>>>>> r0, 5 >>>>>>> ports, feat 0x5/0xf >>>>>>> >>>>>>> >>>>>>> >>>>>>> But apparently it's very slow ...although no figures given. Guess >>>>>>> there >>>>>>> is also the fear of data corruption given the lack of uptake/testing >>>>>>> of >>>>>>> AllWinner PMP >>>>>>> >>>>>>> >>>>>>> Bruce >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>> On Monday, 5 May 2014 22:22:48 UTC+1, hase nase wrote: >>>>>>> >>>>>>>> >>>>>>>> Hi, >>>>>>>> >>>>>>>> is it possible to use an sata multiplier with a A20 ? I tried it on >>>>>>>> a >>>>>>>> cubieboard, but i only got access to sda and no other connected >>>>>>>> drive >>>>>>>> >>>>>>>> -- >>>>>>> >>>>>> You received this message because you are subscribed to the Google >>>>>> Groups >>>>>> "linux-sunxi" group. >>>>>> To unsubscribe from this group and stop receiving emails from it, >>>>>> send an >>>>>> email to [email protected] <javascript:>. >>>>>> For more options, visit https://groups.google.com/d/optout. >>>>>> >>>>>> >>>>> >>>>> >>>> >>> -- >>> You received this message because you are subscribed to the Google >>> Groups "linux-sunxi" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected]. >>> For more options, visit https://groups.google.com/d/optout. >>> >> >> -- > You received this message because you are subscribed to the Google Groups > "linux-sunxi" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. > -- You received this message because you are subscribed to the Google Groups "linux-sunxi" group. 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