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costel78
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PostPosted: Thu Oct 17, 2019 6:52 pm    Post subject: Raspberry Pi 4 HDD Rack Reply with quote

Hello,

Between RaidSonic IB-256WP - JMS578 chipset and StarTech S251BPU31C3 - ASM1351 chipset what would you chose for Raspberry Pi 4B ?

A little background: right now, I am using an InterTech GD-25633 - ASM1310 chipset, but it does not support UASP or TRIM. The speed is good, 50-60MB/s, but lack of TRIM is worrying me. I bought an AXAGON ADSA-1S6, JMS578 chipset. At the beginning on the PC, only UASP worked, but with an firmware update also TRIM started to work. TRIM work on Raspberry, but *only* on USB 2.0 port, on USB 3.0 port it is a disaster. Not even usb_storage quirks not having any effect.

What do you recommend me, any other tested racks with UASP and TRIM ? StarTech product are quite expensive and cancel the benefit of a low cost Raspberry, local prices are equals with an Raspberry Pi with 2GB.

Thank you in advance!
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NeddySeagoon
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PostPosted: Thu Oct 17, 2019 7:23 pm    Post subject: Reply with quote

costel78,

Update your Raspberry Pi 4 firmware.
Its the first Pi to have firmware and there are several USB 3 improvements/fixes.
That thread provides the tool and method but may not link to the latest firmware any more.

The firmware updater is arm32 only so if you are using arm64 on your Pi, you need a 32 bit install to update it.
There are at least two updates available that I'm aware of.

For clarity, the Pi 4 has a FLASH ROM for its equivalent of bootcode.bin. bootcode.bin is not used even if its present.
Its this FLASH ROM that needs to be updated.
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costel78
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PostPosted: Thu Oct 17, 2019 8:05 pm    Post subject: Reply with quote

NeddySeagoon,

Thank you, but firmware is up to date. Actually, I am using PINN with two Gentoo arm32 and arm64, Libreelec and Rasperian Little for rpi-update and eprom-update/config.
Well, the sad reality is that I am looking at 3 enclosures, none of them be able to support UASP, TRIM and work on USB 3.0 on Pi. I hope the next one will be the right one.

Best regards,
Costel
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costel78
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PostPosted: Fri Oct 18, 2019 9:36 am    Post subject: Reply with quote

An representant from Raidsonic just confirmed to me that their product suport trim, at least under Windows.
The product will arrive in about one week and will report back.
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costel78
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PostPosted: Wed Oct 30, 2019 8:04 pm    Post subject: Reply with quote

Unfortunately, it didn't work. It works fine on PC, but not on Raspberry.
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