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Allow read-only mode on Linux for ATA drives #437

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Allow read-only mode on Linux for ATA drives #437

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2e2d86d
Allow read-only mode
fplk0 May 24, 2023
1cc1775
Fixes
fplk0 May 24, 2023
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10 changes: 8 additions & 2 deletions linux/DtaDevLinuxSata.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -73,9 +73,15 @@ bool DtaDevLinuxSata::init(const char * devref)
}

if ((fd = open(devref, O_RDWR)) < 0) {
isOpen = FALSE;
// This is a D1 because diskscan looks for open fail to end scan
LOG(D1) << "Error opening device " << devref << " " << (int32_t) fd;
LOG(D1) << "Error opening device in write mode; dev ref: " << devref << " FD: " << (int32_t) fd << " errno: " << errno;
if ((fd = open(devref, O_RDONLY)) < 0) {
LOG(D1) << "Error opening device in read mode; dev ref: " << devref << " FD: " << (int32_t) fd << " errno: " << errno;
} else {
isOpen = TRUE;
LOG(E) << "You do not have permission to access the raw disk in write mode, but you can access it in read mode";
LOG(E) << "Be extra careful trying to operate this device";
}
// if (-EPERM == fd) {
// LOG(E) << "You do not have permission to access the raw disk in write mode";
// LOG(E) << "Perhaps you might try sudo to run as root";
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